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[vector] Speed up shrink_vector for trivial destructors

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This commit is contained in:
Behdad Esfahbod 2023-06-08 18:47:33 -06:00
parent da2e2c8c25
commit 0935b32795
1 changed files with 8 additions and 5 deletions
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13
src/hb-vector.hh
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@ -351,11 +351,14 @@ struct hb_vector_t
void
shrink_vector (unsigned size)
{
while ((unsigned) length > size)
{
arrayZ[(unsigned) length - 1].~Type ();
length--;
}
if (std::is_trivially_destructible<Type>::value)
length = size;
else
while ((unsigned) length > size)
{
arrayZ[(unsigned) length - 1].~Type ();
length--;
}
}
void