id stringlengths 16 145 | text stringlengths 1 179k | title stringclasses 1
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rust_std_library_types_Traits/644776_94_0.txt | nikomatsakis commented Sep 24, 2019
The ` format! ` errors are not, afaict, spurious. I created the expanded
version of the example, and I see this: | |
rust_std_library_types_Traits/644776_55_0.txt | Another example of this (if we want more test-cases) is:
use std::cell::RefCell;
fn foo() -> impl Send {
async {
let x = RefCell::new(String::new());
match x {
ref z => {
drop(z);
async move {
... | |
rust_std_library_types_Traits/644776_34_0.txt | # Spurious new Send requirement in async block #64477
Closed | |
rust_std_library_types_Traits/644776_100_0.txt | nikomatsakis commented Sep 24, 2019
I'm going to close this issue for now, as a result.
---
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rust_std_library_types_Traits/39_72_0.txt | Closed
yaahc mentioned this issue May 27, 2021 | |
rust_std_library_types_Traits/rust_std_library_types_10_2.txt | **16.3.** Operator Overloading ](../trait/ops.html)
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rust_std_library_types_Traits/644776_112_0.txt | Sorry, something went wrong.
jonhoo added a commit to mit-pdos/noria that referenced this issue Sep 27,
2019 | |
rust_std_library_types_Traits/39_50_0.txt |
error[E0119]: conflicting implementations of trait `core::convert::From<&str>` for type `boxed::Box<dyn core::error::Error + core::marker::Send + core::marker::Sync>`:
--> library/alloc/src/errors.rs:66:1
|
66 | impl<'a, E: Error + Send + Sync + 'a> From<E> for Box<dyn Error + Send ... | |
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for<'r, 's, 't0, 't1> {for<'t2> fn(&'t2 T) -> std::pin::Pin<std::boxed::Box<(
dyn std::future::Future<Output = ()> + std::marker::Send + 'static)>> {f::<T>
}, &'r T, T, &'s T, std::pin::Pin<std::boxed::Box<(dyn std::future::Future<Ou
tput = ()> + std::marker::Send + 't0)>>, std::pin::Pin<std::... | |
rust_std_library_types_Traits/39_37_0.txt | Tracked by #18
# Move ` Error ` trait into core #3 | |
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rust_std_library_types_Traits/39_157_0.txt | daviddrysdale mentioned this issue Dec 19, 2022
Implement Error for CoseError google/coset#60 | |
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rust_std_library_types_Traits/39_105_0.txt | AsyncRead, AsyncWrite traits rust-lang/wg-async#23
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rust_std_library_types_Traits/644776_134_0.txt | Closed
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rust_std_library_types_Traits/644776_45_0.txt | jonas-schievink added T-compiler Relevant to the compiler team, which will
review and decide on the PR/issue. T-lang Relevant to the language team,
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rust_std_library_types_Traits/39_43_0.txt | * Tracking issue for RFC 2504, "Fix the Error trait" rust#53487
* Stabilize the backtrace feature. rust#72981
From this comment ` Backtrace ` stabilization is currently blocked on
prototyping one or more of the suggested solutions for moving the `
std::error::Error ` trait into core That comment suggests th... | |
rust_std_library_types_Traits/39_41_0.txt | edited
EDIT: Current Status Update | |
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rust_std_library_types_Traits/rust_std_library_types_9_4.txt | Ok(value) => println!("{}", value),
}
}
}
fn main() {
checked::op(1.0, 10.0);
}
Be sure to check the [ documentation ](https://doc.rust-
lang.org/std/result/index.html) , as there are many methods to map/compose `
Result ` .
[ __ ](../../std/result.html ... | |
rust_std_library_types_Traits/644776_70_0.txt | ###
nikomatsakis commented Sep 17, 2019 | |
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rust_std_library_types_Traits/39_48_0.txt | nagisa commented Sep 19, 2020
I attempted to prototype the move to libcore with ` backtrace ` removed in
this branch . The mentioned ` downcast ` is indeed not at all an issue (I
applied the suggestion I made in this comment ), but | |
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rust_std_library_types_Traits/39_91_0.txt |
…it, r=nikomatsakis
Implement coherence checks for negative trait impls
The main purpose of this PR is to be able to [move Error trait to core](rust-lang/project-error-handling#3).
This feature is necessary to handle the following from impl on box.
```rust
impl From... | |
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rust_std_library_types_Traits/39_36_0.txt | yaahc opened this issue Sep 18, 2020 · 19 comments
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rust_std_library_types_Traits/644776_35_0.txt | dtolnay opened this issue Sep 15, 2019 · 18 comments
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rust_std_library_types_Traits/39_62_0.txt | * What use cases are there for being able to work with multiple types of backtraces via a common interface?
* SpanTrace - doesn't seem useful here unless the generic member access RFC never merges
* Backtraces of frames of other languages via FFI? - Could this be handled by defining your own backtrace handl... | |
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rust_std_library_types_Traits/39_65_0.txt | eddyb commented Sep 26, 2020
This is a full example of what @yaahc , @mystor and I have discussed (I
don't plan to be actively involved, but felt like I needed to exemplify my
suggestions): https://play.rust-
lang.org/?version=nightly&mode=release&edition=2018&gist=63b4720d0347d05391643df9da08c72f
Also here's a... | |
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rust_std_library_types_Traits/644776_120_0.txt | ` 06e4ff4 `
This places the temporaries that `format!` generates to refer to its
arguments (through `&dyn Trait`) in a short-lived scope surrounding just
the invocation of `format!`. This enables `format!` to be used in
generators without the temporaries preventing the generator from being
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rust_std_library_types_Traits/39_152_0.txt | AurevoirXavier mentioned this issue Oct 9, 2022
Use ` thiserror ` when it supports ` no_std ` hack-ink/array-bytes#18 | |
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rust_std_library_types_Traits/644776_117_0.txt | ###
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rust_std_library_types_Traits/644776_84_0.txt | nikomatsakis commented Sep 18, 2019
I opened #64584 which addresses @dtolnay 's original example. In general,
we are known to overapproximate the set of captures, though, so I wouldn't be
surprised if we find more cases that are worth looking at.
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rust_std_library_types_Traits/39_88_0.txt | spastorino mentioned this issue Oct 20, 2021
Implement coherence checks for negative trait impls rust-lang/rust#90104 | |
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rust_std_library_types_Traits/644776_135_0.txt | False-positive "temporary dropped while borrowed" involving return-position
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rust_std_library_types_Traits/644776_122_0.txt | ` 2378f7e `
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