OpenE2K
/
rust
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

specialize ToString for str

This commit is contained in:
Sean McArthur 2016-03-22 19:29:56 -07:00
parent c7bdfd4442
commit fc8cf9c5af
2 changed files with 10 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
src/libcollections/lib.rs
View File

@ -48,6 +48,7 @@
#![feature(placement_new_protocol)]
#![feature(shared)]
#![feature(slice_patterns)]
#![feature(specialization)]
#![feature(staged_api)]
#![feature(step_by)]
#![feature(str_char)]

10
src/libcollections/string.rs
View File

@ -1770,7 +1770,7 @@ pub trait ToString {
#[stable(feature = "rust1", since = "1.0.0")]
impl<T: fmt::Display + ?Sized> ToString for T {
#[inline]
fn to_string(&self) -> String {
default fn to_string(&self) -> String {
use core::fmt::Write;
let mut buf = String::new();
let _ = buf.write_fmt(format_args!("{}", self));
@ -1779,6 +1779,14 @@ impl<T: fmt::Display + ?Sized> ToString for T {
}
}
#[stable(feature = "str_to_string_specialization", since = "1.9.0")]
impl ToString for str {
#[inline]
fn to_string(&self) -> String {
String::from(self)
}
}
#[stable(feature = "rust1", since = "1.0.0")]
impl AsRef<str> for String {
#[inline]