is_placeholder.hpp¶

See Public API for a list of names and headers that are part of the public HPX API.

namespace hpx

template<typename T> struct is_placeholder¶: #include <is_placeholder.hpp>
If T is a standard, Boost, or HPX placeholder (_1, _2, _3, …) then this template is derived from std::integral_constant<int, 1>, std::integral_constant<int, 2>, std::integral_constant<int, 3>, respectively. Otherwise it is derived from , std::integral_constant<int, 0>.

namespace traits

Functions

template<typename T>hpx::traits::HPX_DEPRECATED_V(1, 8, "hpx::traits::is_placeholder_v is deprecated, use " "hpx::is_placeholder_v instead ") const