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std::meta::is_reflection_type

Defined in header <meta>
consteval bool is_reflection_type( std::meta::info r );
(since C++26)

Returns true if r represents the reflection type std::meta::info, const std::meta::info, volatile std::meta::info, or const volatile std::meta::info. Otherwise returns false.

Parameters

r - a reflection value

Return value

true if r represents reflection info type; otherwise false.

Exceptions

Throws std::meta::exception if r does not represent a type or type alias.

Example

#include <meta>

constexpr auto reflexpr{^^void};
static_assert(is_reflection_type(^^decltype(reflexpr)));

static_assert(is_reflection_type(^^decltype(^^::)));
static_assert(is_reflection_type(^^std::meta::info));
static_assert(is_reflection_type(add_cv(^^std::meta::info)));

int main() {}

See also

is_reflection
(C++26)
checks if a type is std::meta::info
(class template)

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https://en.cppreference.com/cpp/meta/is_reflection_type

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