Utopia::Utils::is_callable< T, std::void_t< std::enable_if_t< std::is_class_v< std::decay_t< T > >, T > > > Class Template Reference

Determines if the type T implements a call operator with arbitrary signature. More...

#include <type_traits.hh>

Classes
struct	Check
struct	Derived
struct	Fallback

Static Public Attributes
static constexpr bool	value = (sizeof(f< Derived >(nullptr)) == 1)

Private Types
typedef char	True[1]
typedef char	False[2]

Static Private Member Functions
template<typename S >
static constexpr True &	f (...)
template<typename S >
static constexpr False &	f (Check< void(Fallback::*)(), &S::operator()> *)

Detailed Description

template<typename T>
class Utopia::Utils::is_callable< T, std::void_t< std::enable_if_t< std::is_class_v< std::decay_t< T > >, T > > >

Determines if the type T implements a call operator with arbitrary signature.

Template Parameters

T	Type to check

Member Typedef Documentation

False

template<typename T >

typedef char Utopia::Utils::is_callable< T, std::void_t< std::enable_if_t< std::is_class_v< std::decay_t< T > >, T > > >::False[2]

private

True

template<typename T >

typedef char Utopia::Utils::is_callable< T, std::void_t< std::enable_if_t< std::is_class_v< std::decay_t< T > >, T > > >::True[1]

private

Member Function Documentation

f() [1/2]

template<typename T >

template<typename S >

static constexpr True& Utopia::Utils::is_callable< T, std::void_t< std::enable_if_t< std::is_class_v< std::decay_t< T > >, T > > >::f (   ... )

staticconstexprprivate

f() [2/2]

template<typename T >

template<typename S >

static constexpr False& Utopia::Utils::is_callable< T, std::void_t< std::enable_if_t< std::is_class_v< std::decay_t< T > >, T > > >::f ( Check< void(Fallback::*)(), &S::operator()> *  )

staticconstexprprivate

Member Data Documentation

value

template<typename T >

constexpr bool Utopia::Utils::is_callable< T, std::void_t< std::enable_if_t< std::is_class_v< std::decay_t< T > >, T > > >::value = (sizeof(f< Derived >(nullptr)) == 1)

staticconstexpr

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The documentation for this class was generated from the following file:

• include/utopia/core/type_traits.hh