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Decouple swap from std (#1211)

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This allows you to implement your own swap function without it having to
be part of the std namespace. std::swap is still used if it's available.
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Jōshin 2024-06-10 03:40:17 -07:00 committed by GitHub
parent 0a92c78035
commit 32643e9fa7
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1 changed files with 2 additions and 1 deletions
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3
ctl/optional.h
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@ -118,8 +118,9 @@ class optional
void swap(optional& other) noexcept void swap(optional& other) noexcept
{ {
using std::swap;
if (present_ && other.present_) { if (present_ && other.present_) {
std::swap(value_, other.value_); swap(value_, other.value_);
} else if (present_) { } else if (present_) {
other.emplace(std::move(value_)); other.emplace(std::move(value_));
reset(); reset();