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Merge same condition branch in vec spec_extend #84209

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Merged
merged 1 commit into from
Apr 15, 2021
Merged

Merge same condition branch in vec spec_extend #84209

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6 changes: 2 additions & 4 deletions library/alloc/src/vec/spec_extend.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -26,15 +26,13 @@ where
default fn spec_extend(&mut self, iterator: I) {
// This is the case for a TrustedLen iterator.
let (low, high) = iterator.size_hint();
if let Some(high_value) = high {
if let Some(additional) = high {
debug_assert_eq!(
low,
high_value,
additional,
"TrustedLen iterator's size hint is not exact: {:?}",
(low, high)
);
}
if let Some(additional) = high {
self.reserve(additional);
unsafe {
let mut ptr = self.as_mut_ptr().add(self.len());
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