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rust_std_library_types_Traits/39_78_0.txt | Currently tracked in:
* Implement coherence checks for negative trait impls rust#85764
* https://rust-lang.zulipchat.com/#narrow/stream/144729-wg-traits/topic/negative.20impls.20in.20coherence | |
rust_std_library_types_Traits/644776_48_0.txt |
async fn foo(_: String) {
}
fn bar() -> impl Send {
async move {
foo(format!("{}:{}", 1, 2)).await;
}
}
error[E0277]: `*mut (dyn std::ops::Fn() + 'static)` cannot be shared between threads safely
--> src/lib.rs:4:13
|
4 | fn bar() -... | |
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rust_std_library_types_Traits/39_126_0.txt | BastiDood mentioned this issue Aug 25, 2022
feat!: allow usage in ` no_std ` environments niklasf/shakmaty#61 | |
rust_std_library_types_Traits/39_135_0.txt | TimDiekmann mentioned this issue Sep 7, 2022
Support ` core::error::Error ` hashintel/hash#1038 | |
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rust_std_library_types_Traits/prefill-links-with-url-encoding1_27_0.txt | * Prefill Through the URL
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rust_std_library_types_Traits/644776_113_0.txt | ` Partially bring forward lobsters ` …
` 1602be4 ` | |
rust_std_library_types_Traits/39_44_0.txt | >
> 1. Remove `backtrace` from `Error` and instead provide it via some
> generic context mechanism (RFC 2895).
>
> 2. Define a `Backtrace` trait in core and have an implementation of that
> trait in libstd. `Error::backtrace` would then return a `&dyn Backtrace`.
>
> 3. Define `Backtrace` in core but ha... | |
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rust_std_library_types_Traits/644776_79_0.txt | ###
nikomatsakis commented Sep 18, 2019 | |
rust_std_library_types_Traits/644776_71_0.txt | @Nemo157 hmm, that is actually not a temporary by the definition I am using
here. @dtolnay good point, perhaps I misdiagnosed.
---
All reactions
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rust_std_library_types_Traits/39_81_0.txt | After fixing the previous issue it will still not be possible to move ` Error
` straight into ` core ` because it has a method that includes the ` Backtrace
` type in it's signature, which is also confined to ` std ` rather than core.
There are two potential solutions to this we're currently considering.
* Move the ... | |
rust_std_library_types_Traits/644776_87_0.txt |
…es, r=eddyb
record fewer adjustment types in generator witnesses, avoid spurious drops in MIR construction
Don't record all intermediate adjustment types -- That's way more than is needed, and winds up recording types that will never appear in MIR.
Note: I'm like 90% sure that ... | |
rust_std_library_types_Traits/644776_138_0.txt | A-async-await Area: Async & Await AsyncAwait-Polish Async-await issues that
are part of the "polish" area T-compiler Relevant to the compiler team,
which will review and decide on the PR/issue. T-lang Relevant to the
language team, which will review and decide on the PR/issue.
Projects | |
rust_std_library_types_Traits/39_151_0.txt | Beta has it behind the error_in_core feature gate.
---
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rust_std_library_types_Traits/rust_std_library_types_11_3.txt | misc/process/wait.html)
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rust_std_library_types_Traits/39_123_0.txt | At this point there are no remaining blockers per-se, though there are due
diligence steps that still need to be done.
* Updating the RFC for generic member access: RFC: Generic member access for dyn Error trait objects rfcs#2895 to reflect changes in the API since it's original proposal
* Setting up a trackin... | |
rust_std_library_types_Traits/39_115_0.txt | phil-opp mentioned this issue Jan 31, 2022
Building std without support for certain lang items rust-lang/wg-cargo-std-
aware#79 | |
rust_std_library_types_Traits/rust_Traits_3_1.txt | ctions.html)
5. [ **9.2.5.** As output parameters ](../fn/closures/output_parameters.html)
6. [ **9.2.6.** Examples in std ](../fn/closures/closure_examples.html) â±
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rust_std_library_types_Traits/644776_80_0.txt | Specifically, this clause seems to be the problematic one: rust/src/librustc_typeck/check/generator_interior.rs Lines 188 to 191 in 64c0969 | | // Also include the adjusted types, since these can result in MIR locals
---|---
| for adjustment in self . fcx . tables . borrow ( ) .
expr_adjustments... | |
rust_std_library_types_Traits/39_106_0.txt | Copy link
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rust_std_library_types_Traits/39_38_0.txt | yaahc opened this issue Sep 18, 2020 · 19 comments
## Comments | |
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rust_std_library_types_Traits/644776_40_0.txt | dtolnay commented Sep 15, 2019
This is minimized from code that was working with nightly-2019-09-10 but
broken on nightly-2019-09-11.
` 0b36e9d...34e82a7 ` | |
rust_std_library_types_Traits/644776_56_0.txt | Sorry, something went wrong.
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rust_std_library_types_Traits/644776_95_0.txt |
fn bar() -> impl Send {
async move
{
foo(
::alloc::fmt::format(::core::fmt::Arguments::new_v1(&["",
":"],
... | |
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rust_std_library_types_Traits/644776_52_0.txt | Yeah, this is the same issue. I've written up a long report on the change
that caused this and its motivations . The report also discussed whether we
should consider revering that change, and what that would mean.
---
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rust_std_library_types_Traits/39_129_0.txt | It looks like a relevant change has landed in Rust - does this mean that
Rust 1.65 will have the Error trait in core? If so woohoo!
---
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rust_std_library_types_Traits/rust_Traits_9_4.txt | println!("> {}", i);
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