MCRO
C++23 utilities for Unreal Engine.
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Mcro::Observable::CChangeNextPreviousListener Concept Reference

Concept describing a function which can listen to changes to the current and the previous values of a TState. More...

#include <Observable.Fwd.h>

Concept definition

template<typename Function, typename T>
concept Mcro::Observable::CChangeNextPreviousListener = Detail::CChangeListenerCandidate<Function, T>
&& TFunction_ArgCount<Function> == 2
&& CConvertibleTo<TOptional<T>, TFunction_ArgDecay<Function, 1>>
Mcro::Observable::CChangeNextPreviousListener
Concept describing a function which can listen to changes to the current and the previous values of a...
Definition Observable.Fwd.h:170
Mcro::FunctionTraits::TFunction_ArgCount
constexpr size_t TFunction_ArgCount
Shorthand for getting a function argument count.
Definition FunctionTraits.h:161
Mcro::FunctionTraits::TFunction_ArgDecay
typename TFunctionTraits< std::decay_t< T > >::template ArgDecay< I > TFunction_ArgDecay
Shorthand for getting a decayed type of a function argument at given position I.
Definition FunctionTraits.h:157

Detailed Description

Concept describing a function which can listen to changes to the current and the previous values of a TState.

Definition at line 170 of file Observable.Fwd.h.