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std::forward

From cppreference.com
< cpp‎ | utility
 
C++
 
Utilities library
General utilities
Relational operators (deprecated in C++20)
Integer comparison functions
(C++20)(C++20)(C++20)  
(C++20)
Swap and type operations
(C++20)
(C++14)
(C++11)
(C++23)
forward
(C++11)
(C++23)
(C++11)
(C++11)
(C++17)
Common vocabulary types
(C++11)
(C++17)
(C++17)
(C++17)
(C++11)
(C++11)
(C++17)
(C++17)
(C++23)


 
Defined in header <utility>
(1)
template< class T >
T&& forward( typename std::remove_reference<T>::type& t ) noexcept;
 (since C++11)
(until C++14)
template< class T >
constexpr T&& forward( std::remove_reference_t<T>& t ) noexcept;
 (since C++14)
(2)
template< class T >
T&& forward( typename std::remove_reference<T>::type&& t ) noexcept;
 (since C++11)
(until C++14)
template< class T >
constexpr T&& forward(