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Rollup merge of #40028 - withoutboats:string_from_iter, r=alexcrichton

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impl FromIterator<&char> for String
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Corey Farwell 2017-02-28 22:55:30 -05:00 committed by GitHub
commit 0a008b949e
1 changed files with 9 additions and 0 deletions
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9
src/libcollections/string.rs
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@ -1483,6 +1483,15 @@ impl FromIterator<char> for String {
} }
} }
#[stable(feature = "string_from_iter_by_ref", since = "1.17.0")]
impl<'a> FromIterator<&'a char> for String {
fn from_iter<I: IntoIterator<Item = &'a char>>(iter: I) -> String {
let mut buf = String::new();
buf.extend(iter);
buf
}
}
#[stable(feature = "rust1", since = "1.0.0")] #[stable(feature = "rust1", since = "1.0.0")]
impl<'a> FromIterator<&'a str> for String { impl<'a> FromIterator<&'a str> for String {
fn from_iter<I: IntoIterator<Item = &'a str>>(iter: I) -> String { fn from_iter<I: IntoIterator<Item = &'a str>>(iter: I) -> String {