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util/BindMethod: remove unnecessary template arguments from BindMethodWrapperGenerator

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Max Kellermann 2021-12-02 23:20:49 +01:00 committed by Max Kellermann
parent bd5f6cbc7b
commit 172c4d9c7d
1 changed files with 6 additions and 10 deletions
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16
src/util/BindMethod.hxx
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@ -137,28 +137,25 @@ struct MethodWrapperWithSignature<R(Args...) noexcept(NoExcept)> {
/**
* Generate a wrapper function.
*
* @param T the containing class
* @param method the method pointer
* @param S the plain function signature type
*/
template<typename T, auto method, typename S>
template<typename M, auto method>
struct BindMethodWrapperGenerator;
template<typename T, bool NoExcept,
auto method, typename R, typename... Args>
struct BindMethodWrapperGenerator<T, method, R(Args...) noexcept(NoExcept)> {
struct BindMethodWrapperGenerator<R (T::*)(Args...) noexcept(NoExcept), method> {
static R Invoke(void *_instance, Args... args) noexcept(NoExcept) {
auto &t = *(T *)_instance;
return (t.*method)(std::forward<Args>(args)...);
}
};
template<typename T, typename S,
typename MethodWithSignature<T, S>::method_pointer method>
typename MethodWrapperWithSignature<S>::function_pointer
template<auto method>
typename MethodWrapperWithSignature<typename MethodSignatureHelper<decltype(method)>::plain_signature>::function_pointer
MakeBindMethodWrapper() noexcept
{
return BindMethodWrapperGenerator<T, method, S>::Invoke;
return BindMethodWrapperGenerator<decltype(method), method>::Invoke;
}
/**
@ -222,11 +219,10 @@ constexpr auto
BindMethod(typename BindMethodDetail::MethodSignatureHelper<decltype(method)>::class_type &instance) noexcept
{
using H = BindMethodDetail::MethodSignatureHelper<decltype(method)>;
using class_type = typename H::class_type;
using plain_signature = typename H::plain_signature;
return BoundMethod<plain_signature>{
&instance,
BindMethodDetail::MakeBindMethodWrapper<class_type, plain_signature, method>(),
BindMethodDetail::MakeBindMethodWrapper<method>(),
};
}