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util/BindMethod: add MethodSignatureHelper::function_pointer

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Max Kellermann 2021-12-02 23:24:51 +01:00 committed by Max Kellermann
parent 172c4d9c7d
commit 7e4ba3cb72
1 changed files with 4 additions and 1 deletions
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5
src/util/BindMethod.hxx
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@ -119,6 +119,9 @@ struct MethodSignatureHelper<R (T::*)(Args...) noexcept(NoExcept)> {
* signature. * signature.
*/ */
typedef R plain_signature(Args...) noexcept(NoExcept); typedef R plain_signature(Args...) noexcept(NoExcept);
typedef R (*function_pointer)(void *instance,
Args...) noexcept(NoExcept);
}; };
/** /**
@ -152,7 +155,7 @@ struct BindMethodWrapperGenerator<R (T::*)(Args...) noexcept(NoExcept), method>
}; };
template<auto method> template<auto method>
typename MethodWrapperWithSignature<typename MethodSignatureHelper<decltype(method)>::plain_signature>::function_pointer typename MethodSignatureHelper<decltype(method)>::function_pointer
MakeBindMethodWrapper() noexcept MakeBindMethodWrapper() noexcept
{ {
return BindMethodWrapperGenerator<decltype(method), method>::Invoke; return BindMethodWrapperGenerator<decltype(method), method>::Invoke;