std::meta::is_vararg_function - cppreference.com
From cppreference.com
consteval bool is_vararg_function( std::meta::info r ); |
(since C++26) | |
Returns true if r represents a vararg function. Otherwise returns false.
A vararg function (also known as variadic function) is a function whose parameter list ends with an ellipsis that is not a pack expansion. Such functions take a variable number of arguments.
Parameters
Return value
true if r represents a vararg function; otherwise false.
Example
#include <meta> void f(...); static_assert(std::meta::is_vararg_function(^^f)); void g(auto...); static_assert(!std::meta::is_vararg_function(^^g)); int main() {}