std::meta::is_function
Defined in header <meta> | ||
|---|---|---|
consteval bool is_function( std::meta::info r ); | (since C++26) |
Returns true if r represents a function. Otherwise returns false.
Parameters
| r | - | a reflection value |
Return value
true if r represents a function; otherwise false.
Example
#include <meta>
static_assert(!is_function(^^std));
static_assert(is_function(^^std::meta::is_function));
// TODO
int main() {}
See also
|
(C++11) | checks if a type is a function type (class template) |
|
(C++26) | checks if reflected entity is a function template (function) |
|
(C++26) | checks if reflection represents a function or function type with an ellipsis parameter (function) |
|
(C++26) | checks if reflection represents a conversion function (function) |
|
(C++26) | checks if reflection represents an operator overload (function) |
|
(C++26) | checks if reflection represents a user-defined literal operator (function) |
|
(C++26) | checks if reflection represents a special member function (function) |
|
(C++26)(C++26)(C++26)(C++26) | checks if the reflected entity is a constructor of this kind (function) |
|
(C++26) | checks if the reflected entity is a destructor (function) |
|
(C++26)(C++26)(C++26) | checks if the reflected entity is an assignment operator of this kind (function) |
|
(C++26)(C++26)(C++26)(C++26) | checks if the reflected type can be invoked (as if by std::invoke) with the given argument types (function template) |
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