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AK: Add decrement operator to Checked

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This commit is contained in:
Tom
2021-03-08 13:07:58 -07:00
committed by Andreas Kling
parent 8688259ed9
commit 8a8bdb2cd7
Notes: sideshowbarker 2024-07-18 21:25:26 +09:00 
Author: https://github.com/tomuta
Commit: https://github.com/SerenityOS/serenity/commit/8a8bdb2cd77
Pull-request: https://github.com/SerenityOS/serenity/pull/5740
1 changed files with 13 additions and 0 deletions
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13
AK/Checked.h
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@@ -251,6 +251,19 @@ public:
return old;
}
constexpr Checked& operator--()
{
sub(1);
return *this;
}
constexpr Checked operator--(int)
{
Checked old { *this };
sub(1);
return old;
}
template<typename U, typename V>
static constexpr bool addition_would_overflow(U u, V v)
{