deduction guides for std::function_ref

Since C++26

Header: <functional>

  1. This overload participates in overload resolution only if std::is_function_v is true.

# Declarations

template< class F >
function_ref( F* ) -> function_ref<F>;

(since C++26)

template< auto f >
function_ref( std::nontype_t<f> ) -> function_ref</*see below*/>;

(since C++26)

template< auto f, class T >
function_ref( std::nontype_t<f>, T&& ) -> function_ref</*see below*/>;

(since C++26)

# Example

This section is incompleteReason: no example