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Avoid unnecessary calculation

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This commit is contained in:
Shotaro Yamada 2018-03-04 09:43:29 +09:00
parent 683bdc7f0a
commit 3d58543d49
1 changed files with 3 additions and 3 deletions
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6
src/liballoc/str.rs
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@ -2113,9 +2113,9 @@ impl str {
(buf.as_mut_ptr() as *mut u8).add(buf.len()),
rem_len,
);
// `buf.len() + rem_len` equals to `buf.capacity()` (`self.len() * n`).
let buf_len = buf.len();
buf.set_len(buf_len + rem_len);
// `buf.len() + rem_len` equals to `buf.capacity()` (`= self.len() * n`).
let buf_cap = buf.capacity();
buf.set_len(buf_cap);
}
}