repo stringlengths 6 65 | file_url stringlengths 81 311 | file_path stringlengths 6 227 | content stringlengths 0 32.8k | language stringclasses 1
value | license stringclasses 7
values | commit_sha stringlengths 40 40 | retrieved_at stringdate 2026-01-04 15:31:58 2026-01-04 20:25:31 | truncated bool 2
classes |
|---|---|---|---|---|---|---|---|---|
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/eq_op.rs | src/tools/clippy/tests/ui/eq_op.rs | #![warn(clippy::eq_op)]
#![allow(clippy::double_parens, clippy::identity_op, clippy::nonminimal_bool)]
#![allow(clippy::suspicious_xor_used_as_pow)]
fn main() {
// simple values and comparisons
let _ = 1 == 1;
//~^ eq_op
let _ = "no" == "no";
//~^ eq_op
// even though I agree that no means no... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/precedence_bits.rs | src/tools/clippy/tests/ui/precedence_bits.rs | #![warn(clippy::precedence_bits)]
#![allow(
unused_must_use,
clippy::no_effect,
clippy::unnecessary_operation,
clippy::precedence
)]
#![allow(clippy::identity_op)]
#![allow(clippy::eq_op)]
macro_rules! trip {
($a:expr) => {
match $a & 0b1111_1111u8 {
0 => println!("a is zero ({}... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/identity_op.rs | src/tools/clippy/tests/ui/identity_op.rs | #![warn(clippy::identity_op)]
#![allow(unused)]
#![allow(
clippy::eq_op,
clippy::no_effect,
clippy::unnecessary_operation,
clippy::op_ref,
clippy::double_parens,
clippy::uninlined_format_args,
clippy::borrow_deref_ref,
clippy::deref_addrof
)]
use std::fmt::Write as _;
const ONE: i64 = ... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/await_holding_lock.rs | src/tools/clippy/tests/ui/await_holding_lock.rs | #![warn(clippy::await_holding_lock)]
#![allow(clippy::readonly_write_lock)]
// When adding or modifying a test, please do the same for parking_lot::Mutex.
mod std_mutex {
use super::baz;
use std::sync::{Mutex, RwLock};
pub async fn bad(x: &Mutex<u32>) -> u32 {
let guard = x.lock().unwrap();
... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/explicit_write_in_test.rs | src/tools/clippy/tests/ui/explicit_write_in_test.rs | //@ check-pass
#![warn(clippy::explicit_write)]
#[test]
fn test() {
use std::io::Write;
writeln!(std::io::stderr(), "I am an explicit write.").unwrap();
eprintln!("I am not an explicit write.");
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/print_stderr.rs | src/tools/clippy/tests/ui/print_stderr.rs | #![warn(clippy::print_stderr)]
fn main() {
eprintln!("Hello");
//~^ print_stderr
println!("This should not do anything");
eprint!("World");
//~^ print_stderr
print!("Nor should this");
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/only_used_in_recursion2.rs | src/tools/clippy/tests/ui/only_used_in_recursion2.rs | #![warn(clippy::only_used_in_recursion)]
//@no-rustfix
fn _with_inner(flag: u32, a: u32, b: u32) -> usize {
//~^ only_used_in_recursion
fn inner(flag: u32, a: u32) -> u32 {
//~^ only_used_in_recursion
if flag == 0 { 0 } else { inner(flag, a) }
}
let x = inner(flag, a);
if flag == ... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/map_flatten_fixable.rs | src/tools/clippy/tests/ui/map_flatten_fixable.rs | #![allow(
clippy::let_underscore_untyped,
clippy::missing_docs_in_private_items,
clippy::map_identity,
clippy::redundant_closure,
clippy::unnecessary_wraps
)]
fn main() {
// mapping to Option on Iterator
fn option_id(x: i8) -> Option<i8> {
Some(x)
}
let option_id_ref: fn(i8)... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/exit3_compile_flag_test.rs | src/tools/clippy/tests/ui/exit3_compile_flag_test.rs | //@ check-pass
//@compile-flags: --test
#![warn(clippy::exit)]
fn main() {
if true {
std::process::exit(2);
};
std::process::exit(1);
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/owned_cow.rs | src/tools/clippy/tests/ui/owned_cow.rs | #![warn(clippy::owned_cow)]
use std::borrow::Cow;
use std::ffi::{CString, OsString};
use std::path::PathBuf;
fn main() {
let x: Cow<'static, String> = Cow::Owned(String::from("Hi!"));
//~^ ERROR: needlessly owned Cow type
let y: Cow<'_, Vec<u8>> = Cow::Owned(vec![]);
//~^ ERROR: needlessly owned Cow t... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/option_if_let_else.rs | src/tools/clippy/tests/ui/option_if_let_else.rs | #![warn(clippy::option_if_let_else)]
#![allow(
clippy::ref_option_ref,
clippy::equatable_if_let,
clippy::let_unit_value,
clippy::redundant_locals,
clippy::manual_midpoint,
clippy::manual_unwrap_or_default,
clippy::manual_unwrap_or,
clippy::unnecessary_option_map_or_else
)]
fn bad1(strin... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/transmute_ref_to_ref.rs | src/tools/clippy/tests/ui/transmute_ref_to_ref.rs | //@no-rustfix
#![deny(clippy::transmute_ptr_to_ptr)]
#![allow(dead_code, clippy::missing_transmute_annotations)]
fn main() {
unsafe {
let single_u64: &[u64] = &[0xDEAD_BEEF_DEAD_BEEF];
let bools: &[bool] = unsafe { std::mem::transmute(single_u64) };
//~^ transmute_ptr_to_ptr
let a... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/empty_drop.rs | src/tools/clippy/tests/ui/empty_drop.rs | #![warn(clippy::empty_drop)]
#![allow(unused)]
// should cause an error
struct Foo;
impl Drop for Foo {
//~^ empty_drop
fn drop(&mut self) {}
}
// shouldn't cause an error
struct Bar;
impl Drop for Bar {
fn drop(&mut self) {
println!("dropping bar!");
}
}
// should error
struct Baz;
impl D... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/elidable_lifetime_names.rs | src/tools/clippy/tests/ui/elidable_lifetime_names.rs | #![warn(clippy::needless_lifetimes, clippy::elidable_lifetime_names)]
type Ref<'r> = &'r u8;
// No error; same lifetime on two params.
fn lifetime_param_1<'a>(_x: Ref<'a>, _y: &'a u8) {}
//~v ERROR: could be elided: 'a, 'b
fn lifetime_param_2<'a, 'b>(_x: Ref<'a>, _y: &'b u8) {}
// No error; bounded lifetime.
fn lif... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/unit_hash.rs | src/tools/clippy/tests/ui/unit_hash.rs | #![warn(clippy::unit_hash)]
#![allow(clippy::let_unit_value)]
use std::collections::hash_map::DefaultHasher;
use std::hash::Hash;
enum Foo {
Empty,
WithValue(u8),
}
fn do_nothing() {}
fn main() {
let mut state = DefaultHasher::new();
let my_enum = Foo::Empty;
match my_enum {
Foo::Empty ... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/zero_repeat_side_effects_never_pattern.rs | src/tools/clippy/tests/ui/zero_repeat_side_effects_never_pattern.rs | #![warn(clippy::zero_repeat_side_effects)]
#![allow(clippy::diverging_sub_expression)]
#![feature(never_type)]
fn issue_14998() {
// nameable type thanks to `never_type` being enabled, suggest
let _data = [panic!(); 0];
//~^ zero_repeat_side_effects
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/eq_op_macros.rs | src/tools/clippy/tests/ui/eq_op_macros.rs | #![warn(clippy::eq_op)]
#![allow(clippy::useless_vec)]
// lint also in macro definition
macro_rules! assert_in_macro_def {
() => {
let a = 42;
assert_eq!(a, a);
//~^ eq_op
assert_ne!(a, a);
//~^ eq_op
debug_assert_eq!(a, a);
//~^ eq_op
debug_assert_ne... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/needless_borrowed_ref.rs | src/tools/clippy/tests/ui/needless_borrowed_ref.rs | #![warn(clippy::needless_borrowed_reference)]
#![allow(
unused,
irrefutable_let_patterns,
non_shorthand_field_patterns,
clippy::needless_borrow,
clippy::needless_ifs
)]
fn main() {}
struct Struct {
a: usize,
b: usize,
c: usize,
}
struct TupleStruct(u8, u8, u8);
fn should_lint(
ar... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/needless_option_as_deref.rs | src/tools/clippy/tests/ui/needless_option_as_deref.rs | #![allow(unused)]
#![warn(clippy::needless_option_as_deref)]
#![allow(clippy::useless_vec)]
fn main() {
// should lint
let _: Option<&usize> = Some(&1).as_deref();
//~^ needless_option_as_deref
let _: Option<&mut usize> = Some(&mut 1).as_deref_mut();
//~^ needless_option_as_deref
let mut y = 0... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/uninlined_format_args_panic.rs | src/tools/clippy/tests/ui/uninlined_format_args_panic.rs | //@revisions: edition2018 edition2021
//@[edition2018] edition:2018
//@[edition2021] edition:2021
#![warn(clippy::uninlined_format_args)]
#![allow(clippy::literal_string_with_formatting_args)]
fn main() {
let var = 1;
println!("val='{}'", var);
//~^ uninlined_format_args
if var > 0 {
panic!(... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/size_of_ref.rs | src/tools/clippy/tests/ui/size_of_ref.rs | #![allow(unused)]
#![warn(clippy::size_of_ref)]
use std::mem::size_of_val;
fn main() {
let x = 5;
let y = &x;
size_of_val(&x); // no lint
size_of_val(y); // no lint
size_of_val(&&x);
//~^ size_of_ref
size_of_val(&y);
//~^ size_of_ref
}
struct S {
field: u32,
data: Vec<u8>,
... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/missing_transmute_annotations.rs | src/tools/clippy/tests/ui/missing_transmute_annotations.rs | //@aux-build:macro_rules.rs
#![warn(clippy::missing_transmute_annotations)]
#![allow(clippy::let_with_type_underscore)]
#[macro_use]
extern crate macro_rules;
macro_rules! local_bad_transmute {
($e:expr) => {
std::mem::transmute($e)
//~^ ERROR: transmute used without annotations
};
}
fn bar(... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/track-diagnostics-clippy.rs | src/tools/clippy/tests/ui/track-diagnostics-clippy.rs | //@compile-flags: -Z track-diagnostics
//@no-rustfix
// Normalize the emitted location so this doesn't need
// updating everytime someone adds or removes a line.
//@normalize-stderr-test: ".rs:\d+:\d+" -> ".rs:LL:CC"
//@normalize-stderr-test: "src/tools/clippy/" -> ""
#![warn(clippy::let_and_return, clippy::unnecessa... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/integer_division_remainder_used.rs | src/tools/clippy/tests/ui/integer_division_remainder_used.rs | #![warn(clippy::integer_division_remainder_used)]
#![allow(unused_variables)]
#![allow(clippy::op_ref)]
struct CustomOps(pub i32);
impl std::ops::Div for CustomOps {
type Output = Self;
fn div(self, rhs: Self) -> Self::Output {
Self(self.0 / rhs.0)
//~^ integer_division_remainder_used
}
}
... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/map_with_unused_argument_over_ranges.rs | src/tools/clippy/tests/ui/map_with_unused_argument_over_ranges.rs | #![allow(
unused,
clippy::redundant_closure,
clippy::reversed_empty_ranges,
clippy::identity_op
)]
#![warn(clippy::map_with_unused_argument_over_ranges)]
fn do_something() -> usize {
todo!()
}
fn do_something_interesting(x: usize, y: usize) -> usize {
todo!()
}
macro_rules! r#gen {
() => ... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/infinite_loops.rs | src/tools/clippy/tests/ui/infinite_loops.rs | //@no-rustfix: multiple suggestions add `-> !` to the same fn
//@aux-build:proc_macros.rs
#![allow(clippy::never_loop, clippy::while_let_loop)]
#![warn(clippy::infinite_loop)]
extern crate proc_macros;
use proc_macros::{external, with_span};
fn do_something() {}
fn no_break() {
loop {
//~^ infinite_loop... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/print_stdout_build_script.rs | src/tools/clippy/tests/ui/print_stdout_build_script.rs | //@compile-flags: --crate-name=build_script_build
//@ check-pass
#![warn(clippy::print_stdout)]
fn main() {
// Fix #6041
//
// The `print_stdout` lint shouldn't emit in `build.rs`
// as these methods are used for the build script.
println!("Hello");
print!("Hello");
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/iter_over_hash_type.rs | src/tools/clippy/tests/ui/iter_over_hash_type.rs | //@aux-build:proc_macros.rs
#![feature(rustc_private)]
#![warn(clippy::iter_over_hash_type)]
use std::collections::{HashMap, HashSet};
extern crate proc_macros;
// Ensure it also works via type aliases (this isn't really the Fx hasher but that does not matter).
type FxBuildHasher = std::collections::hash_map::RandomS... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/cognitive_complexity.rs | src/tools/clippy/tests/ui/cognitive_complexity.rs | #![warn(clippy::cognitive_complexity)]
#![allow(
clippy::eq_op,
clippy::needless_borrows_for_generic_args,
clippy::needless_return,
clippy::nonminimal_bool,
clippy::uninlined_format_args
)]
#[rustfmt::skip]
fn main() {
//~^ cognitive_complexity
if true {
println!("a");
}
if tru... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/multiple_inherent_impl_cfg.rs | src/tools/clippy/tests/ui/multiple_inherent_impl_cfg.rs | //@compile-flags: --cfg test
#![deny(clippy::multiple_inherent_impl)]
// issue #13040
fn main() {}
struct A;
impl A {}
impl A {}
//~^ multiple_inherent_impl
#[cfg(test)]
impl A {}
#[cfg(test)]
impl A {}
//~^ multiple_inherent_impl
struct B;
impl B {}
#[cfg(test)]
impl B {}
impl B {}
//~^ multiple_inherent_im... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/manual_range_patterns.rs | src/tools/clippy/tests/ui/manual_range_patterns.rs | #![allow(unused)]
#![allow(non_contiguous_range_endpoints)]
#![warn(clippy::manual_range_patterns)]
fn main() {
let f = 6;
let _ = matches!(f, 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10);
//~^ manual_range_patterns
let _ = matches!(f, 4 | 2 | 3 | 1 | 5 | 6 | 9 | 7 | 8 | 10);
//~^ manual_range_patterns... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/let_and_return.rs | src/tools/clippy/tests/ui/let_and_return.rs | //@revisions: edition2021 edition2024
//@[edition2021] edition:2021
//@[edition2024] edition:2024
#![allow(unused)]
#![warn(clippy::let_and_return)]
use std::cell::RefCell;
fn test() -> i32 {
let _y = 0; // no warning
let x = 5;
x
//~^ let_and_return
}
fn test_inner() -> i32 {
if true {
... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/unit_return_expecting_ord.rs | src/tools/clippy/tests/ui/unit_return_expecting_ord.rs | #![warn(clippy::unit_return_expecting_ord)]
#![allow(clippy::needless_return)]
#![allow(clippy::unused_unit)]
#![allow(clippy::useless_vec)]
struct Struct {
field: isize,
}
fn double(i: isize) -> isize {
i * 2
}
fn unit(_i: isize) {}
fn main() {
let mut structs = vec![Struct { field: 2 }, Struct { field... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/single_char_add_str.rs | src/tools/clippy/tests/ui/single_char_add_str.rs | #![warn(clippy::single_char_add_str)]
#![allow(clippy::needless_raw_strings, clippy::needless_raw_string_hashes)]
macro_rules! get_string {
() => {
String::from("Hello world!")
};
}
fn main() {
// `push_str` tests
let mut string = String::new();
string.push_str("R");
//~^ single_char_... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/suspicious_unary_op_formatting.rs | src/tools/clippy/tests/ui/suspicious_unary_op_formatting.rs | #![warn(clippy::suspicious_unary_op_formatting)]
#![allow(clippy::needless_ifs)]
#[rustfmt::skip]
fn main() {
// weird binary operator formatting:
let a = 42;
if a >- 30 {}
//~^ suspicious_unary_op_formatting
if a >=- 30 {}
//~^ suspicious_unary_op_formatting
let b = true;
let c = f... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/exit2.rs | src/tools/clippy/tests/ui/exit2.rs | #![warn(clippy::exit)]
fn also_not_main() {
std::process::exit(3);
//~^ exit
}
fn main() {
if true {
std::process::exit(2);
};
also_not_main();
std::process::exit(1);
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/single_match_else.rs | src/tools/clippy/tests/ui/single_match_else.rs | //@aux-build: proc_macros.rs
//@require-annotations-for-level: WARN
#![warn(clippy::single_match_else)]
#![allow(unused, clippy::needless_return, clippy::no_effect, clippy::uninlined_format_args)]
extern crate proc_macros;
use proc_macros::with_span;
enum ExprNode {
ExprAddrOf,
Butterflies,
Unicorns,
}
s... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/manual_clamp.rs | src/tools/clippy/tests/ui/manual_clamp.rs | #![warn(clippy::manual_clamp)]
#![allow(
unused,
dead_code,
clippy::unnecessary_operation,
clippy::no_effect,
clippy::if_same_then_else
)]
use std::cmp::{max as cmp_max, min as cmp_min};
const CONST_MAX: i32 = 10;
const CONST_MIN: i32 = 4;
const CONST_F64_MAX: f64 = 10.0;
const CONST_F64_MIN: f64... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/float_equality_without_abs.rs | src/tools/clippy/tests/ui/float_equality_without_abs.rs | #![feature(f128)]
#![feature(f16)]
#![warn(clippy::float_equality_without_abs)]
//@no-rustfix: suggestions cause type ambiguity
pub fn is_roughly_equal(a: f32, b: f32) -> bool {
(a - b) < f32::EPSILON
//~^ float_equality_without_abs
}
pub fn main() {
// all errors
is_roughly_equal(1.0, 2.0);
let a... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/bool_comparison.rs | src/tools/clippy/tests/ui/bool_comparison.rs | #![allow(non_local_definitions, clippy::needless_ifs)]
#![warn(clippy::bool_comparison)]
#![allow(clippy::non_canonical_partial_ord_impl)]
fn main() {
let x = true;
let _ = if x == true { "yes" } else { "no" };
//~^ bool_comparison
let _ = if x == false { "yes" } else { "no" };
//~^ bool_comparison... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/str_split.rs | src/tools/clippy/tests/ui/str_split.rs | #![warn(clippy::str_split_at_newline)]
#![allow(clippy::needless_lifetimes)]
use core::str::Split;
use std::ops::Deref;
struct NotStr<'a> {
s: &'a str,
}
impl<'a> NotStr<'a> {
fn trim(&'a self) -> &'a str {
self.s
}
}
struct DerefsIntoNotStr<'a> {
not_str: &'a NotStr<'a>,
}
impl<'a> Deref f... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/manual_instant_elapsed.rs | src/tools/clippy/tests/ui/manual_instant_elapsed.rs | #![warn(clippy::manual_instant_elapsed)]
#![allow(clippy::unnecessary_operation)]
#![allow(clippy::unchecked_time_subtraction)]
#![allow(unused_variables)]
#![allow(unused_must_use)]
use std::time::Instant;
fn main() {
let prev_instant = Instant::now();
{
// don't influence
let another_instan... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/trailing_zeros.rs | src/tools/clippy/tests/ui/trailing_zeros.rs | #![allow(unused_parens)]
#![warn(clippy::verbose_bit_mask)]
fn main() {
let x: i32 = 42;
let _ = (x & 0b1111 == 0);
//~^ verbose_bit_mask
let _ = x & 0b1_1111 == 0;
//~^ verbose_bit_mask
let _ = x & 0b1_1010 == 0; // do not lint
let _ = x & 1 == 0; // do not lint
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/single_char_pattern.rs | src/tools/clippy/tests/ui/single_char_pattern.rs | #![allow(clippy::needless_raw_strings, clippy::needless_raw_string_hashes, unused_must_use)]
#![warn(clippy::single_char_pattern)]
use std::collections::HashSet;
fn main() {
let x = "foo";
x.split("x");
//~^ single_char_pattern
x.split("xx");
x.split('x');
let y = "x";
x.split(y);
x.sp... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/deprecated.rs | src/tools/clippy/tests/ui/deprecated.rs | // This file was generated by `cargo dev update_lints`.
// Use that command to update this file and do not edit by hand.
// Manual edits will be overwritten.
#![warn(clippy::assign_ops)] //~ ERROR: lint `clippy::assign_ops`
#![warn(clippy::extend_from_slice)] //~ ERROR: lint `clippy::extend_from_slice`
#![warn(clippy:... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/large_digit_groups.rs | src/tools/clippy/tests/ui/large_digit_groups.rs | #![warn(clippy::large_digit_groups)]
fn main() {
macro_rules! mac {
() => {
0b1_10110_i64
};
}
let _good = (
0b1011_i64,
0o1_234_u32,
0x1_234_567,
1_2345_6789,
1234_f32,
1_234.12_f32,
1_234.123_f32,
1.123_4_f32,
... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/manual_repeat_n.rs | src/tools/clippy/tests/ui/manual_repeat_n.rs | #![warn(clippy::manual_repeat_n)]
use std::iter::repeat;
fn main() {
let _ = repeat(10).take(3);
//~^ manual_repeat_n
let _ = repeat(String::from("foo")).take(4);
//~^ manual_repeat_n
for value in std::iter::repeat(5).take(3) {}
//~^ manual_repeat_n
let _: Vec<_> = std::iter::repeat(Str... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/floating_point_abs.rs | src/tools/clippy/tests/ui/floating_point_abs.rs | #![warn(clippy::suboptimal_flops)]
/// Allow suboptimal ops in constant context
pub const fn in_const_context(num: f64) -> f64 {
if num >= 0.0 { num } else { -num }
}
struct A {
a: f64,
b: f64,
}
fn fake_abs1(num: f64) -> f64 {
if num >= 0.0 { num } else { -num }
//~^ suboptimal_flops
}
fn fake_... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/swap_ptr_to_ref.rs | src/tools/clippy/tests/ui/swap_ptr_to_ref.rs | #![warn(clippy::swap_ptr_to_ref)]
use core::ptr::addr_of_mut;
fn main() {
let mut x = 0u32;
let y: *mut _ = &mut x;
let z: *mut _ = &mut x;
unsafe {
core::mem::swap(&mut *y, &mut *z);
//~^ swap_ptr_to_ref
core::mem::swap(&mut *y, &mut x);
//~^ swap_ptr_to_ref
c... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/transmute_64bit.rs | src/tools/clippy/tests/ui/transmute_64bit.rs | //@ignore-bitwidth: 32
#[warn(clippy::wrong_transmute)]
fn main() {
unsafe {
let _: *const usize = std::mem::transmute(6.0f64);
//~^ wrong_transmute
let _: *mut usize = std::mem::transmute(6.0f64);
//~^ wrong_transmute
}
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/from_iter_instead_of_collect.rs | src/tools/clippy/tests/ui/from_iter_instead_of_collect.rs | #![warn(clippy::from_iter_instead_of_collect)]
#![allow(unused_imports)]
#![allow(clippy::useless_vec, clippy::manual_repeat_n)]
use std::collections::{BTreeMap, BTreeSet, HashMap, VecDeque};
struct Foo(Vec<bool>);
impl FromIterator<bool> for Foo {
fn from_iter<T: IntoIterator<Item = bool>>(_: T) -> Self {
... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/too_long_first_doc_paragraph-fix.rs | src/tools/clippy/tests/ui/too_long_first_doc_paragraph-fix.rs | #![warn(clippy::too_long_first_doc_paragraph)]
/// A very short summary.
//~^ too_long_first_doc_paragraph
/// A much longer explanation that goes into a lot more detail about
/// how the thing works, possibly with doclinks and so one,
/// and probably spanning a many rows. Blablabla, it needs to be over
/// 200 chara... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/manual_unwrap_or.rs | src/tools/clippy/tests/ui/manual_unwrap_or.rs | #![allow(dead_code)]
#![allow(
unused_variables,
clippy::unnecessary_wraps,
clippy::unnecessary_literal_unwrap,
clippy::manual_unwrap_or_default
)]
fn option_unwrap_or() {
// int case
match Some(1) {
//~^ manual_unwrap_or
Some(i) => i,
None => 42,
};
// int case... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/find_map.rs | src/tools/clippy/tests/ui/find_map.rs | //@ check-pass
#![allow(clippy::useless_vec)]
#[derive(Debug, Copy, Clone)]
enum Flavor {
Chocolate,
}
#[derive(Debug, Copy, Clone)]
enum Dessert {
Banana,
Pudding,
Cake(Flavor),
}
fn main() {
let desserts_of_the_week = vec![Dessert::Banana, Dessert::Cake(Flavor::Chocolate), Dessert::Pudding];
... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/type_id_on_box_unfixable.rs | src/tools/clippy/tests/ui/type_id_on_box_unfixable.rs | #![warn(clippy::type_id_on_box)]
use std::any::{Any, TypeId};
use std::ops::Deref;
trait AnySubTrait: Any {}
impl<T: Any> AnySubTrait for T {}
// `Any` is an indirect supertrait
trait AnySubSubTrait: AnySubTrait {}
impl<T: AnySubTrait> AnySubSubTrait for T {}
// This trait mentions `Any` in its predicates, but it i... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/duration_subsec.rs | src/tools/clippy/tests/ui/duration_subsec.rs | #![allow(dead_code, clippy::needless_borrow)]
#![warn(clippy::duration_subsec)]
use std::time::Duration;
fn main() {
let dur = Duration::new(5, 0);
let bad_millis_1 = dur.subsec_micros() / 1_000;
//~^ duration_subsec
let bad_millis_2 = dur.subsec_nanos() / 1_000_000;
//~^ duration_subsec
let ... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/manual_non_exhaustive_struct.rs | src/tools/clippy/tests/ui/manual_non_exhaustive_struct.rs | #![warn(clippy::manual_non_exhaustive)]
#![allow(unused)]
//@no-rustfix
pub mod structs {
pub struct S {
//~^ manual_non_exhaustive
pub a: i32,
pub b: i32,
_c: (),
}
// user forgot to remove the private field
#[non_exhaustive]
pub struct Sp {
//~^ manual_non_... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/redundant_allocation.rs | src/tools/clippy/tests/ui/redundant_allocation.rs | #![allow(clippy::boxed_local, clippy::disallowed_names)]
pub struct MyStruct;
pub struct SubT<T> {
foo: T,
}
mod outer_box {
use crate::{MyStruct, SubT};
use std::boxed::Box;
use std::rc::Rc;
use std::sync::Arc;
pub fn box_test6<T>(foo: Box<Rc<T>>) {}
//~^ redundant_allocation
pub f... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/needless_continue.rs | src/tools/clippy/tests/ui/needless_continue.rs | #![warn(clippy::needless_continue)]
#![allow(clippy::uninlined_format_args)]
macro_rules! zero {
($x:expr) => {
$x == 0
};
}
macro_rules! nonzero {
($x:expr) => {
!zero!($x)
};
}
#[allow(clippy::nonminimal_bool)]
fn main() {
let mut i = 1;
while i < 10 {
i += 1;
... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/needless_bitwise_bool.rs | src/tools/clippy/tests/ui/needless_bitwise_bool.rs | #![warn(clippy::needless_bitwise_bool)]
#![allow(clippy::const_is_empty)]
fn returns_bool() -> bool {
true
}
const fn const_returns_bool() -> bool {
false
}
fn main() {
let (x, y) = (false, true);
if x & y {
println!("true")
}
if returns_bool() & x {
println!("true")
}
... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/field_reassign_with_default.rs | src/tools/clippy/tests/ui/field_reassign_with_default.rs | //@aux-build:proc_macro_derive.rs
//@aux-build:proc_macros.rs
#![warn(clippy::field_reassign_with_default)]
#![allow(clippy::assigning_clones)]
#[macro_use]
extern crate proc_macro_derive;
extern crate proc_macros;
use proc_macros::{external, inline_macros};
// Don't lint on derives that derive `Default`
// See http... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/option_as_ref_cloned.rs | src/tools/clippy/tests/ui/option_as_ref_cloned.rs | #![warn(clippy::option_as_ref_cloned)]
#![allow(clippy::clone_on_copy)]
fn main() {
let mut x = Some(String::new());
let _: Option<String> = x.as_ref().cloned();
//~^ option_as_ref_cloned
let _: Option<String> = x.as_mut().cloned();
//~^ option_as_ref_cloned
let y = x.as_ref();
let _: Opt... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/default_instead_of_iter_empty_no_std.rs | src/tools/clippy/tests/ui/default_instead_of_iter_empty_no_std.rs | #![warn(clippy::default_instead_of_iter_empty)]
#![allow(dead_code)]
#![feature(lang_items)]
#![no_std]
use core::panic::PanicInfo;
#[lang = "eh_personality"]
extern "C" fn eh_personality() {}
#[panic_handler]
fn panic(info: &PanicInfo) -> ! {
loop {}
}
#[derive(Default)]
struct Iter {
iter: core::iter::Emp... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/match_single_binding2.rs | src/tools/clippy/tests/ui/match_single_binding2.rs | #![warn(clippy::match_single_binding)]
#![allow(unused_variables)]
fn main() {
// Lint (additional curly braces needed, see #6572)
struct AppendIter<I>
where
I: Iterator,
{
inner: Option<(I, <I as Iterator>::Item)>,
}
#[allow(dead_code)]
fn size_hint<I: Iterator>(iter: &App... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/wrong_self_conventions_mut.rs | src/tools/clippy/tests/ui/wrong_self_conventions_mut.rs | #![warn(clippy::wrong_self_convention)]
#![allow(dead_code)]
fn main() {}
mod issue6758 {
pub enum Test<T> {
One(T),
Many(Vec<T>),
}
impl<T> Test<T> {
// If a method starts with `to_` and not ends with `_mut` it should expect `&self`
pub fn to_many(&mut self) -> Option<&mu... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/linkedlist.rs | src/tools/clippy/tests/ui/linkedlist.rs | #![feature(associated_type_defaults)]
#![warn(clippy::linkedlist)]
#![allow(unused, dead_code, clippy::needless_pass_by_value)]
extern crate alloc;
use alloc::collections::linked_list::LinkedList;
const C: LinkedList<i32> = LinkedList::new();
//~^ linkedlist
static S: LinkedList<i32> = LinkedList::new();
//~^ linked... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/absurd-extreme-comparisons.rs | src/tools/clippy/tests/ui/absurd-extreme-comparisons.rs | #![warn(clippy::absurd_extreme_comparisons)]
#![allow(
unused,
clippy::eq_op,
clippy::no_effect,
clippy::unnecessary_operation,
clippy::needless_pass_by_value
)]
#[rustfmt::skip]
fn main() {
const Z: u32 = 0;
let u: u32 = 42;
u <= 0;
//~^ absurd_extreme_comparisons
u <= Z;
... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/is_digit_ascii_radix.rs | src/tools/clippy/tests/ui/is_digit_ascii_radix.rs | #![warn(clippy::is_digit_ascii_radix)]
const TEN: u32 = 10;
fn main() {
let c: char = '6';
// Should trigger the lint.
let _ = c.is_digit(10);
//~^ is_digit_ascii_radix
let _ = c.is_digit(16);
//~^ is_digit_ascii_radix
let _ = c.is_digit(0x10);
//~^ is_digit_ascii_radix
// Should... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/mut_from_ref.rs | src/tools/clippy/tests/ui/mut_from_ref.rs | #![allow(
unused,
clippy::needless_lifetimes,
clippy::needless_pass_by_ref_mut,
clippy::redundant_allocation,
clippy::boxed_local
)]
#![warn(clippy::mut_from_ref)]
struct Foo;
impl Foo {
fn this_wont_hurt_a_bit(&self) -> &mut Foo {
//~^ mut_from_ref
unsafe { unimplemented!() }... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/manual_slice_size_calculation.rs | src/tools/clippy/tests/ui/manual_slice_size_calculation.rs | //@aux-build:proc_macros.rs
#![allow(unused)]
#![warn(clippy::manual_slice_size_calculation)]
extern crate proc_macros;
use core::mem::{align_of, size_of};
use proc_macros::external;
fn main() {
let v_i32 = Vec::<i32>::new();
let s_i32 = v_i32.as_slice();
let s_i32_ref = &s_i32;
let s_i32_ref_ref = &... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/manual_find.rs | src/tools/clippy/tests/ui/manual_find.rs | #![allow(unused)]
#![warn(clippy::manual_find)]
//@no-rustfix
fn vec_string(strings: Vec<String>) -> Option<String> {
for s in strings {
//~^ manual_find
if s == String::new() {
return Some(s);
}
}
None
}
fn tuple(arr: Vec<(String, i32)>) -> Option<String> {
for (s,... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/unnested_or_patterns.rs | src/tools/clippy/tests/ui/unnested_or_patterns.rs | #![feature(box_patterns)]
#![warn(clippy::unnested_or_patterns)]
#![allow(
clippy::cognitive_complexity,
clippy::match_ref_pats,
clippy::upper_case_acronyms,
clippy::needless_ifs,
clippy::manual_range_patterns
)]
#![allow(unreachable_patterns, irrefutable_let_patterns, unused)]
struct S {
x: u8... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/integer_division.rs | src/tools/clippy/tests/ui/integer_division.rs | #![warn(clippy::integer_division)]
use std::num::NonZeroU32;
const TWO: NonZeroU32 = NonZeroU32::new(2).unwrap();
fn main() {
let two = 2;
let n = 1 / 2;
//~^ integer_division
let o = 1 / two;
//~^ integer_division
let p = two / 4;
//~^ integer_division
let x = 1. / 2.0;
let a... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/deref_addrof_double_trigger.rs | src/tools/clippy/tests/ui/deref_addrof_double_trigger.rs | //@no-rustfix: this test can't work with run-rustfix because it needs two passes of test+fix
#[warn(clippy::deref_addrof)]
#[allow(unused_variables, unused_mut)]
fn main() {
let a = 10;
//This produces a suggestion of 'let b = *&a;' which
//will trigger the 'clippy::deref_addrof' lint again
let b = **... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/repr_packed_without_abi.rs | src/tools/clippy/tests/ui/repr_packed_without_abi.rs | #![deny(clippy::repr_packed_without_abi)]
#[repr(packed)]
struct NetworkPacketHeader {
//~^ repr_packed_without_abi
header_length: u8,
header_version: u16,
}
#[repr(packed)]
union Foo {
//~^ repr_packed_without_abi
a: u8,
b: u16,
}
#[repr(C, packed)]
struct NoLintCNetworkPacketHeader {
he... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/write_with_newline.rs | src/tools/clippy/tests/ui/write_with_newline.rs | // FIXME: Ideally these suggestions would be fixed via rustfix. Blocked by rust-lang/rust#53934
#![allow(clippy::write_literal)]
#![warn(clippy::write_with_newline)]
use std::io::Write;
fn main() {
let mut v = Vec::new();
// These should fail
write!(v, "Hello\n");
//~^ write_with_newline
write!... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/bind_instead_of_map_multipart.rs | src/tools/clippy/tests/ui/bind_instead_of_map_multipart.rs | #![deny(clippy::bind_instead_of_map)]
#![allow(clippy::blocks_in_conditions)]
pub fn main() {
let _ = Some("42").and_then(|s| if s.len() < 42 { Some(0) } else { Some(s.len()) });
//~^ bind_instead_of_map
let _ = Some("42").and_then(|s| if s.len() < 42 { None } else { Some(s.len()) });
let _ = Ok::<_, ... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/zero_div_zero.rs | src/tools/clippy/tests/ui/zero_div_zero.rs | #[allow(unused_variables, clippy::eq_op)]
#[warn(clippy::zero_divided_by_zero)]
fn main() {
let nan = 0.0 / 0.0;
//~^ zero_divided_by_zero
let f64_nan = 0.0 / 0.0f64;
//~^ zero_divided_by_zero
let other_f64_nan = 0.0f64 / 0.0;
//~^ zero_divided_by_zero
let one_more_f64_nan = 0.0f64 / 0.0f... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/println_empty_string_unfixable.rs | src/tools/clippy/tests/ui/println_empty_string_unfixable.rs | #![allow(clippy::match_single_binding)]
// If there is a comment in the span of macro call, we don't provide an auto-fix suggestion.
#[rustfmt::skip]
fn issue_16167() {
//~v println_empty_string
println!("" /* comment */);
//~v println_empty_string
eprintln!("" /* comment */);
//~v println_empty_s... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/no_effect_return.rs | src/tools/clippy/tests/ui/no_effect_return.rs | //@no-rustfix: overlapping suggestions
#![allow(clippy::unused_unit, dead_code, unused)]
#![no_main]
use std::ops::ControlFlow;
fn a() -> u32 {
{
0u32;
//~^ no_effect
}
0
}
async fn b() -> u32 {
{
0u32;
//~^ no_effect
}
0
}
type C = i32;
async fn c() -> C {
... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/let_unit.rs | src/tools/clippy/tests/ui/let_unit.rs | #![warn(clippy::let_unit_value)]
#![allow(
clippy::no_effect,
clippy::needless_late_init,
path_statements,
clippy::match_single_binding
)]
macro_rules! let_and_return {
($n:expr) => {{
let ret = $n;
}};
}
fn main() {
let _x = println!("x");
//~^ let_unit_value
let _y = 1; /... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/map_err.rs | src/tools/clippy/tests/ui/map_err.rs | #![warn(clippy::map_err_ignore)]
#![allow(clippy::unnecessary_wraps)]
use std::error::Error;
use std::fmt;
#[derive(Debug)]
enum Errors {
Ignored,
}
impl Error for Errors {}
impl fmt::Display for Errors {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "Error")
}
}
fn main()... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/doc_broken_link.rs | src/tools/clippy/tests/ui/doc_broken_link.rs | #![warn(clippy::doc_broken_link)]
fn main() {}
pub struct FakeType {}
/// This might be considered a link false positive
/// and should be ignored by this lint rule:
/// Example of referencing some code with brackets [FakeType].
pub fn doc_ignore_link_false_positive_1() {}
/// This might be considered a link false ... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/pub_without_shorthand.rs | src/tools/clippy/tests/ui/pub_without_shorthand.rs |
//@aux-build:proc_macros.rs
#![feature(custom_inner_attributes)]
#![allow(clippy::needless_pub_self, unused)]
#![warn(clippy::pub_without_shorthand)]
#![no_main]
#![rustfmt::skip] // rustfmt will remove `in`, understandable
// but very annoying for our purposes!
#[macro_use]
extern crate proc_macros... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/enum_glob_use.rs | src/tools/clippy/tests/ui/enum_glob_use.rs | #![warn(clippy::enum_glob_use)]
#![allow(unused)]
#![warn(unused_imports)]
use std::cmp::Ordering::*;
//~^ enum_glob_use
enum Enum {
Foo,
}
use self::Enum::*;
//~^ enum_glob_use
mod in_fn_test {
fn blarg() {
use crate::Enum::*;
//~^ enum_glob_use
let _ = Foo;
}
}
mod blurg {
... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/needless_maybe_sized.rs | src/tools/clippy/tests/ui/needless_maybe_sized.rs | //@aux-build:proc_macros.rs
#![allow(unused, clippy::multiple_bound_locations)]
#![warn(clippy::needless_maybe_sized)]
extern crate proc_macros;
use proc_macros::external;
fn directly<T: Sized + ?Sized>(t: &T) {}
//~^ needless_maybe_sized
trait A: Sized {}
trait B: A {}
fn depth_1<T: A + ?Sized>(t: &T) {}
//~^ nee... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/new_without_default.rs | src/tools/clippy/tests/ui/new_without_default.rs | #![allow(
clippy::missing_safety_doc,
clippy::extra_unused_lifetimes,
clippy::extra_unused_type_parameters,
clippy::needless_lifetimes
)]
#![warn(clippy::new_without_default)]
pub struct Foo;
impl Foo {
pub fn new() -> Foo {
//~^ new_without_default
Foo
}
}
pub struct Bar;
i... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/create_dir.rs | src/tools/clippy/tests/ui/create_dir.rs | #![allow(unused_must_use)]
#![warn(clippy::create_dir)]
use std::fs::create_dir_all;
fn create_dir() {}
fn main() {
// Should be warned
std::fs::create_dir("foo");
//~^ create_dir
std::fs::create_dir("bar").unwrap();
//~^ create_dir
// Shouldn't be warned
create_dir();
std::fs::creat... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/manual_arithmetic_check-2.rs | src/tools/clippy/tests/ui/manual_arithmetic_check-2.rs | //@no-rustfix
#![warn(clippy::implicit_saturating_sub)]
#![allow(arithmetic_overflow)]
fn main() {
let a = 12u32;
let b = 13u32;
let result = if a > b { b - a } else { 0 };
//~^ inverted_saturating_sub
let result = if b < a { b - a } else { 0 };
//~^ inverted_saturating_sub
let result = ... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/needless_ifs.rs | src/tools/clippy/tests/ui/needless_ifs.rs | //@aux-build:proc_macros.rs
#![allow(
clippy::blocks_in_conditions,
clippy::if_same_then_else,
clippy::ifs_same_cond,
clippy::let_unit_value,
clippy::needless_else,
clippy::no_effect,
clippy::nonminimal_bool,
clippy::short_circuit_statement,
clippy::unnecessary_operation,
clippy:... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/exit3.rs | src/tools/clippy/tests/ui/exit3.rs | //@ check-pass
#![warn(clippy::exit)]
fn main() {
if true {
std::process::exit(2);
};
std::process::exit(1);
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/empty_enums_without_never_type.rs | src/tools/clippy/tests/ui/empty_enums_without_never_type.rs | //@ check-pass
#![warn(clippy::empty_enums)]
// `never_type` is not enabled; this test has no stderr file
enum Empty {}
fn main() {}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/ref_patterns.rs | src/tools/clippy/tests/ui/ref_patterns.rs | #![allow(unused)]
#![warn(clippy::ref_patterns)]
fn use_in_pattern() {
let opt = Some(5);
match opt {
None => {},
Some(ref opt) => {},
//~^ ref_patterns
}
}
fn use_in_binding() {
let x = 5;
let ref y = x;
//~^ ref_patterns
}
fn use_in_parameter(ref x: i32) {}
//~^ ref_... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/manual_next_back.rs | src/tools/clippy/tests/ui/manual_next_back.rs | #![allow(unused)]
#![warn(clippy::manual_next_back)]
struct FakeIter(std::ops::Range<i32>);
impl FakeIter {
fn rev(self) -> Self {
self
}
fn next(&self) {}
}
impl DoubleEndedIterator for FakeIter {
fn next_back(&mut self) -> Option<Self::Item> {
self.0.next_back()
}
}
impl Itera... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/manual_dangling_ptr.rs | src/tools/clippy/tests/ui/manual_dangling_ptr.rs | #![warn(clippy::manual_dangling_ptr)]
use std::mem;
pub fn foo(_const: *const f32, _mut: *mut i32) {}
fn main() {
let _: *const u8 = 1 as *const _;
//~^ manual_dangling_ptr
let _ = 2 as *const u32;
//~^ manual_dangling_ptr
let _ = 4 as *mut f32;
//~^ manual_dangling_ptr
let _ = mem::align... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/uninlined_format_args.rs | src/tools/clippy/tests/ui/uninlined_format_args.rs | //@aux-build:proc_macros.rs
#![warn(clippy::uninlined_format_args)]
#![allow(named_arguments_used_positionally, unused)]
#![allow(
clippy::eq_op,
clippy::format_in_format_args,
clippy::print_literal,
clippy::unnecessary_literal_unwrap
)]
extern crate proc_macros;
use proc_macros::with_span;
macro_rul... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/enum_clike_unportable_variant.rs | src/tools/clippy/tests/ui/enum_clike_unportable_variant.rs | //@ignore-bitwidth: 32
#![warn(clippy::enum_clike_unportable_variant)]
#![allow(unused, non_upper_case_globals)]
#[repr(usize)]
enum NonPortable {
X = 0x1_0000_0000,
//~^ enum_clike_unportable_variant
Y = 0,
Z = 0x7FFF_FFFF,
A = 0xFFFF_FFFF,
}
enum NonPortableNoHint {
X = 0x1_0000_0000,
/... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/ip_constant.rs | src/tools/clippy/tests/ui/ip_constant.rs | #![warn(clippy::ip_constant)]
#![allow(dead_code)]
#![allow(clippy::identity_op)]
#![allow(clippy::eq_op)]
fn literal_test1() {
use std::net::Ipv4Addr;
let _ = Ipv4Addr::new(127, 0, 0, 1);
//~^ ip_constant
let _ = Ipv4Addr::new(255, 255, 255, 255);
//~^ ip_constant
let _ = Ipv4Addr::new(0, 0, 0... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/borrow_as_ptr.rs | src/tools/clippy/tests/ui/borrow_as_ptr.rs | //@aux-build:proc_macros.rs
#![warn(clippy::borrow_as_ptr)]
#![allow(clippy::useless_vec, clippy::ptr_offset_by_literal)]
extern crate proc_macros;
fn a() -> i32 {
0
}
#[clippy::msrv = "1.75"]
fn main() {
let val = 1;
let _p = &val as *const i32;
//~^ borrow_as_ptr
let _p = &0 as *const i32;
... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/clippy/tests/ui/infallible_try_from.rs | src/tools/clippy/tests/ui/infallible_try_from.rs | #![feature(never_type)]
#![warn(clippy::infallible_try_from)]
use std::convert::Infallible;
struct MyStruct(i32);
impl TryFrom<i8> for MyStruct {
//~^ infallible_try_from
type Error = !;
fn try_from(other: i8) -> Result<Self, !> {
Ok(Self(other.into()))
}
}
impl TryFrom<i16> for MyStruct {
... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
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