Add const_closure, Constify Try trait #102186
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r? @fee1-dead |
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cc @rust-lang/wg-const-eval |
Internal features are usually added along with the main features that they help implement, so no. |
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@bors r+ |
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📋 Looks like this PR is still in progress, ignoring approval. Hint: Remove [WIP] from this PR's title when it is ready for review. |
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Hey! It looks like you've submitted a new PR for the library teams! If this PR contains changes to any Examples of
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…=fee1-dead Add const_closure, Constify Try trait Adds a struct for creating const `FnMut` closures (for now just copy pasted form my [const_closure](https://crates.io/crates/const_closure) crate). I'm not sure if this way is how it should be done. The `ConstFnClosure` and `ConstFnOnceClosure` structs can probably also be entirely removed. This is then used to constify the try trait. Not sure if i should add const_closure in its own pr and maybe make it public behind a perma-unstable feature gate. cc `@fee1-dead` `@rust-lang/wg-const-eval`
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…=fee1-dead Add const_closure, Constify Try trait Adds a struct for creating const `FnMut` closures (for now just copy pasted form my [const_closure](https://crates.io/crates/const_closure) crate). I'm not sure if this way is how it should be done. The `ConstFnClosure` and `ConstFnOnceClosure` structs can probably also be entirely removed. This is then used to constify the try trait. Not sure if i should add const_closure in its own pr and maybe make it public behind a perma-unstable feature gate. cc ``@fee1-dead`` ``@rust-lang/wg-const-eval``
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…iaskrgr Rollup of 8 pull requests Successful merges: - rust-lang#100823 (Refactor some `std` code that works with pointer offstes) - rust-lang#102088 (Fix wrongly refactored Lift impl) - rust-lang#102109 (resolve: Set effective visibilities for imports more precisely) - rust-lang#102186 (Add const_closure, Constify Try trait) - rust-lang#102203 (rustdoc: remove no-op CSS `#source-sidebar { z-index }`) - rust-lang#102204 (Make `ManuallyDrop` satisfy `~const Destruct`) - rust-lang#102210 (diagnostics: avoid syntactically invalid suggestion in if conditionals) - rust-lang#102226 (bootstrap/miri: switch to non-deprecated env var for setting the sysroot folder) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
scottmcm
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@rustbot label +const-hack |
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Adds a struct for creating const
FnMutclosures (for now just copy pasted form my const_closure crate).I'm not sure if this way is how it should be done.
The
ConstFnClosureandConstFnOnceClosurestructs can probably also be entirely removed.This is then used to constify the try trait.
Not sure if i should add const_closure in its own pr and maybe make it public behind a perma-unstable feature gate.
cc @fee1-dead @rust-lang/wg-const-eval