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Rollup merge of #132511 - RalfJung:const_arguments_as_str, r=dtolnay 

stabilize const_arguments_as_str

FCP passed in the [tracking issue](https://github.com/rust-lang/rust/issues/103900#issuecomment-2397096659).
This commit is contained in:
Matthias Krüger 2024-11-03 12:08:52 +01:00 committed by GitHub
parent e9379382f9 234d3de8b4
commit 003c97477d
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GPG Key ID: B5690EEEBB952194
3 changed files with 2 additions and 5 deletions
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3
library/core/src/fmt/mod.rs
View File

@ -438,10 +438,9 @@ impl<'a> Arguments<'a> {
/// assert_eq!(format_args!("{:?}", std::env::current_dir()).as_str(), None);
/// ```
#[stable(feature = "fmt_as_str", since = "1.52.0")]
#[rustc_const_unstable(feature = "const_arguments_as_str", issue = "103900")]
#[rustc_const_stable(feature = "const_arguments_as_str", since = "CURRENT_RUSTC_VERSION")]
#[must_use]
#[inline]
#[cfg_attr(not(bootstrap), rustc_const_stable_indirect)]
pub const fn as_str(&self) -> Option<&'static str> {
match (self.pieces, self.args) {
([], []) => Some(""),

1
library/core/src/lib.rs
View File

@ -114,7 +114,6 @@
#![feature(const_align_of_val_raw)]
#![feature(const_align_offset)]
#![feature(const_alloc_layout)]
#![feature(const_arguments_as_str)]
#![feature(const_black_box)]
#![feature(const_char_encode_utf16)]
#![feature(const_eval_select)]

3
library/core/src/panic/panic_info.rs
View File

@ -165,10 +165,9 @@ impl<'a> PanicMessage<'a> {
///
/// See [`fmt::Arguments::as_str`] for details.
#[stable(feature = "panic_info_message", since = "1.81.0")]
#[rustc_const_unstable(feature = "const_arguments_as_str", issue = "103900")]
#[rustc_const_stable(feature = "const_arguments_as_str", since = "CURRENT_RUSTC_VERSION")]
#[must_use]
#[inline]
#[cfg_attr(not(bootstrap), rustc_const_stable_indirect)]
pub const fn as_str(&self) -> Option<&'static str> {
self.message.as_str()
}