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AK+Everywhere: Make StdLibExtras templates less wrapper-y

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This commit makes the user-facing StdLibExtras templates and utilities
arguably more nice-looking by removing the need to reach into the
wrapper structs generated by them to get the value/type needed.
The C++ standard library had to invent `_v` and `_t` variants (likely
because of backwards compat), but we don't need to cater to any codebase
except our own, so might as well have good things for free. :^)
This commit is contained in:
AnotherTest 2021-04-10 18:29:06 +04:30 • committed by Andreas Kling
parent d8d16dea95
commit a6e4482080
41 changed files with 650 additions and 662 deletions
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4
AK/TypeCasts.h
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@ -50,7 +50,7 @@ ALWAYS_INLINE bool is(InputType* input)
template<typename OutputType, typename InputType>
ALWAYS_INLINE CopyConst<InputType, OutputType>* downcast(InputType* input)
{
static_assert(IsBaseOf<InputType, OutputType>::value);
static_assert(IsBaseOf<InputType, OutputType>);
VERIFY(!input || is<OutputType>(*input));
return static_cast<CopyConst<InputType, OutputType>*>(input);
}
@ -58,7 +58,7 @@ ALWAYS_INLINE CopyConst<InputType, OutputType>* downcast(InputType* input)
template<typename OutputType, typename InputType>
ALWAYS_INLINE CopyConst<InputType, OutputType>& downcast(InputType& input)
{
static_assert(IsBaseOf<InputType, OutputType>::value);
static_assert(IsBaseOf<InputType, OutputType>);
VERIFY(is<OutputType>(input));
return static_cast<CopyConst<InputType, OutputType>&>(input);
}