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std::function::operator=

From cppreference.com
 
 
 
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function& operator=( const function& other );
(1) (since C++11)
function& operator=( function&& other );
(2) (since C++11)
function& operator=( std::nullptr_t );
(3) (since C++11)
template< class F >
function& operator=( F&& f );
(4) (since C++11)
template< class F >
function& operator=( std::reference_wrapper<F> f );
(5) (since C++11)

Assigns a new target to std::function.

1) Assigns a copy of target of other.
2) Moves the target of other to *this. other is empty after the call.
3) Drops the current target. *this is empty after the call.
4) Moves the callable f to the target of *this.
5) Assigns a copy of f.

Contents

[edit] Parameters

other - another std::function object to copy the target of
f - a callable to initialize the target with
Type requirements
-
F must meet the requirements of Callable.

[edit] Return value

*this

[edit] Exceptions

1-4) (none)
5)
noexcept specification:  
noexcept
  (since C++11)

[edit] See also

assigns a new target
(public member function) [edit]