std::is_union - Man Page

is_union

Synopsis

#include <type_traits>

Inherits std::integral_constant< bool, __is_union(_Tp)>.

typedef integral_constant< bool, __v > type
typedef bool value_type

constexpr operator value_type () const noexcept
constexpr value_type operator() () const noexcept

static constexpr bool value

struct std::is_union< _Tp >"is_union

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