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Use iter::from_fn in String::remove_matches

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This commit is contained in:
Tamir Duberstein 2021-03-26 10:38:32 -04:00
parent 3740ba2a7d
commit 38013e708e
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GPG Key ID: 32E33EC15E1FEF3C
1 changed files with 3 additions and 9 deletions
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12
library/alloc/src/string.rs
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@ -48,7 +48,7 @@ use core::fmt;
use core::hash;
#[cfg(not(no_global_oom_handling))]
use core::iter::FromIterator;
use core::iter::FusedIterator;
use core::iter::{from_fn, FusedIterator};
#[cfg(not(no_global_oom_handling))]
use core::ops::Add;
#[cfg(not(no_global_oom_handling))]
@ -1290,15 +1290,9 @@ impl String {
{
use core::str::pattern::Searcher;
let matches = {
let matches: Vec<_> = {
let mut searcher = pat.into_searcher(self);
let mut matches = Vec::new();
while let Some(m) = searcher.next_match() {
matches.push(m);
}
matches
from_fn(|| searcher.next_match()).collect()
};
let len = self.len();