iox::cxx::is_invocable

Verifies whether the passed Callable type is in fact invocable with the given arguments. More...

#include <type_traits.hpp>

Public Functions

	Name
template \<typename C ,typename... As> constexpr std::true_type	test(typename std::result_of< C(As...)>::type * )
template \<typename C ,typename... As> constexpr std::false_type	test(... )

Public Attributes

	Name
constexpr bool	value

Detailed Description

template <typename Callable ,
typename... ArgTypes>
struct iox::cxx::is_invocable;

Verifies whether the passed Callable type is in fact invocable with the given arguments.

Public Functions Documentation

function test

template <typename C ,
typename... As>
static inline constexpr std::true_type test(
    typename std::result_of< C(As...)>::type * 
)

Note: result_of is deprecated, switch to invoke_result in C++17

function test

template <typename C ,
typename... As>
static inline constexpr std::false_type test(
    ... 
)

Public Attributes Documentation

variable value

static constexpr bool value = decltype([test](/v1.0.3/API-reference/utils/Classes/structiox_1_1cxx_1_1is__invocable/#function-test)<Callable, ArgTypes...>(nullptr))::value;

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Updated on 31 May 2022 at 15:29:15 CEST