std::__detector< _Default, _AlwaysVoid, _Op, _Args >

Implementation of the detection idiom (negative case).

Provided by: libstdc++-9-doc (Version: 9.5.0-6ubuntu2.1)
Source: gcc-9
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SYNOPSIS

#include <type_traits>

Public Types

using type = _Default
using value_t = false_type

Detailed Description

template<typename _Default, typename _AlwaysVoid, template< typename... > class _Op, typename... _Args>

struct std::__detector< _Default, _AlwaysVoid, _Op, _Args >"Implementation of the detection idiom (negative case).

Definition at line 2413 of file type_traits.

Member Typedef Documentation

template<typename _Default , typename _AlwaysVoid , template< typename... > class _Op, typename... _Args> using std::__detector< _Default, _AlwaysVoid, _Op, _Args >::type = _Default

Definition at line 2416 of file type_traits.

template<typename _Default , typename _AlwaysVoid , template< typename... > class _Op, typename... _Args> using std::__detector< _Default, _AlwaysVoid, _Op, _Args >::value_t = false_type

Definition at line 2415 of file type_traits.

Author

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