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util/IntrusiveList: remove_and_dispose_if() returns the number of removed items

This commit is contained in:
Max Kellermann 2022-12-01 18:40:44 +01:00 committed by Max Kellermann
parent c65b1fee8d
commit 7475e971bc
1 changed files with 10 additions and 2 deletions
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12
src/util/IntrusiveList.hxx
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@ -296,8 +296,13 @@ public:
}
}
void remove_and_dispose_if(Predicate<const_reference> auto pred,
Disposer<value_type> auto dispose) noexcept {
/**
* @return the number of removed items
*/
std::size_t remove_and_dispose_if(Predicate<const_reference> auto pred,
Disposer<value_type> auto dispose) noexcept {
std::size_t result = 0;
auto *n = head.next;
while (n != &head) {
@ -308,8 +313,11 @@ public:
ToHook(*i).unlink();
--counter;
dispose(i);
++result;
}
}
return result;
}
const_reference front() const noexcept {