| std::is_placeholder< _Tp >(3cxx) | std::is_placeholder< _Tp >(3cxx) |
std::is_placeholder< _Tp > - Determines if the given type _Tp is a placeholder in a bind() expression and, if so, which placeholder it is.
#include <functional>
Inherits std::integral_constant< int, 0 >.
typedef integral_constant< int, __v >
type
typedef int value_type
constexpr operator value_type () const noexcept
constexpr value_type operator() () const noexcept
static constexpr int value
struct std::is_placeholder< _Tp >"Determines if the given type _Tp is a placeholder in a bind() expression and, if so, which placeholder it is.
C++11 [func.bind.isplace].
Since
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| libstdc++ |