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AK: Add a function that casts an enum to its underlying type

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This is basically the same thing as `std::to_underlying(Enum)`.
This commit is contained in:
Ali Mohammad Pur 2021-06-15 17:33:47 +04:30 committed by Ali Mohammad Pur
parent dac971b4ae
commit f7f88adc78
Notes: sideshowbarker 2024-07-18 12:13:24 +09:00 
Author: https://github.com/alimpfard
Commit: https://github.com/SerenityOS/serenity/commit/f7f88adc78b
Pull-request: https://github.com/SerenityOS/serenity/pull/8023
Reviewed-by: https://github.com/awesomekling
1 changed files with 7 additions and 0 deletions
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7
AK/StdLibExtras.h
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@ -110,6 +110,12 @@ constexpr T exchange(T& slot, U&& value)
template<typename T>
using RawPtr = typename Detail::_RawPtr<T>::Type;
template<typename V>
constexpr decltype(auto) to_underlying(V value) requires(IsEnum<V>)
{
return static_cast<UnderlyingType<V>>(value);
}
}
using AK::array_size;
@ -121,3 +127,4 @@ using AK::max;
using AK::min;
using AK::RawPtr;
using AK::swap;
using AK::to_underlying;