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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-30 18:31:44 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-30 18:31:44 +0000 |
commit | c23a457e72abe608715ac76f076f47dc42af07a5 (patch) | |
tree | 2772049aaf84b5c9d0ed12ec8d86812f7a7904b6 /compiler/rustc_data_structures/src/lib.rs | |
parent | Releasing progress-linux version 1.73.0+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-c23a457e72abe608715ac76f076f47dc42af07a5.tar.xz rustc-c23a457e72abe608715ac76f076f47dc42af07a5.zip |
Merging upstream version 1.74.1+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'compiler/rustc_data_structures/src/lib.rs')
-rw-r--r-- | compiler/rustc_data_structures/src/lib.rs | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/compiler/rustc_data_structures/src/lib.rs b/compiler/rustc_data_structures/src/lib.rs index 337720897..461ec3a90 100644 --- a/compiler/rustc_data_structures/src/lib.rs +++ b/compiler/rustc_data_structures/src/lib.rs @@ -37,7 +37,7 @@ #![allow(rustc::potential_query_instability)] #![deny(rustc::untranslatable_diagnostic)] #![deny(rustc::diagnostic_outside_of_impl)] -#![cfg_attr(not(bootstrap), allow(internal_features))] +#![allow(internal_features)] #![deny(unsafe_op_in_unsafe_fn)] #[macro_use] @@ -47,11 +47,14 @@ extern crate cfg_if; #[macro_use] extern crate rustc_macros; +use std::fmt; + pub use rustc_index::static_assert_size; +/// This calls the passed function while ensuring it won't be inlined into the caller. #[inline(never)] #[cold] -pub fn cold_path<F: FnOnce() -> R, R>(f: F) -> R { +pub fn outline<F: FnOnce() -> R, R>(f: F) -> R { f() } @@ -126,6 +129,23 @@ impl<F: FnOnce()> Drop for OnDrop<F> { } } +/// Turns a closure that takes an `&mut Formatter` into something that can be display-formatted. +pub fn make_display(f: impl Fn(&mut fmt::Formatter<'_>) -> fmt::Result) -> impl fmt::Display { + struct Printer<F> { + f: F, + } + impl<F> fmt::Display for Printer<F> + where + F: Fn(&mut fmt::Formatter<'_>) -> fmt::Result, + { + fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result { + (self.f)(fmt) + } + } + + Printer { f } +} + // See comments in src/librustc_middle/lib.rs #[doc(hidden)] pub fn __noop_fix_for_27438() {} |