std::meta::is_rvalue_reference_type
Defined in header <meta> | ||
|---|---|---|
consteval bool is_rvalue_reference_type( std::meta::info r ); | (since C++26) |
Returns true if r represents an rvalue reference. Otherwise returns false.
Parameters
| r | - | a reflection value |
Return value
true if r represents an rvalue reference; otherwise false.
Exceptions
Throws std::meta::exception if r does not represent a type or type alias.
Example
#include <meta>
class A {};
static_assert
(""
&& is_rvalue_reference_type(^^A) == false
&& is_rvalue_reference_type(^^A&) == false
&& is_rvalue_reference_type(^^A&&) != false
&& is_rvalue_reference_type(^^char) == false
&& is_rvalue_reference_type(^^char&) == false
&& is_rvalue_reference_type(^^char&&) != false
);
int main() {}
See also
|
(C++26) | checks if reflection represents an lvalue reference (function) |
|
(C++26) | checks if reflection represents either an lvalue reference or rvalue reference (function) |
|
(C++11) | checks if a type is an rvalue reference (class template) |
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