std::meta::is_type_alias

 

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

Returns true if r represents a type alias. Otherwise returns false.

Parameters

r

-

a reflection value

Return value

true if r represents a type alias; otherwise false.

Notes

A specialization of an alias template is a type alias.

Example

Run this code

#include <meta>

using Int = int;

static_assert(std::meta::is_type_alias(^^Int));
static_assert(!std::meta::is_type_alias(^^int));

int main() {}

See also

is_type (C++26)	checks if reflection represents a type (function)
is_alias_template (C++26)	checks if reflected entity is a alias template (function)