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Rollup merge of #82120 - sfackler:arguments-as-str, r=dtolnay

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Stabilize Arguments::as_str

Closes #74442
This commit is contained in:
Jonas Schievink 2021-02-15 16:07:08 +01:00 committed by GitHub
commit c87ef218f9
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2 changed files with 1 additions and 6 deletions
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6
library/core/src/fmt/mod.rs
View File

@ -401,8 +401,6 @@ impl<'a> Arguments<'a> {
/// # Examples
///
/// ```rust
/// #![feature(fmt_as_str)]
///
/// use std::fmt::Arguments;
///
/// fn write_str(_: &str) { /* ... */ }
@ -417,13 +415,11 @@ impl<'a> Arguments<'a> {
/// ```
///
/// ```rust
/// #![feature(fmt_as_str)]
///
/// assert_eq!(format_args!("hello").as_str(), Some("hello"));
/// assert_eq!(format_args!("").as_str(), Some(""));
/// assert_eq!(format_args!("{}", 1).as_str(), None);
/// ```
#[unstable(feature = "fmt_as_str", issue = "74442")]
#[stable(feature = "fmt_as_str", since = "1.52.0")]
#[inline]
pub fn as_str(&self) -> Option<&'static str> {
match (self.pieces, self.args) {

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

@ -264,7 +264,6 @@
#![feature(exhaustive_patterns)]
#![feature(extend_one)]
#![feature(external_doc)]
#![feature(fmt_as_str)]
#![feature(fn_traits)]
#![feature(format_args_nl)]
#![feature(gen_future)]