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Support rvalue reference overload for Optional::get

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This commit is contained in:
sfc-gh-tclinkenbeard 2020-10-24 21:05:42 -07:00
parent ef50452bfb
commit 8191a38b88
1 changed files with 6 additions and 2 deletions

8
flow/Arena.h

@ -242,14 +242,18 @@ public:
}
bool present() const { return impl.has_value(); }
T& get() {
T& get() & {
UNSTOPPABLE_ASSERT(impl.has_value());
return impl.value();
}
T const& get() const {
T const& get() const& {
UNSTOPPABLE_ASSERT(impl.has_value());
return impl.value();
}
T&& get() && {
UNSTOPPABLE_ASSERT(impl.has_value());
return std::move(impl.value());
}
T orDefault(T const& default_value) const { return impl.value_or(default_value); }
// Spaceship operator. Treats not-present as less-than present.