C++ concepts: CopyAssignable
From cppreference.com
Specifies that an instance of the type can be copy-assigned (copied).
This concept implies MoveAssignable.
[edit] Requirements
The type must implement the following functions:
Type::operator=
Type& Type::operator=( Type& other ); Type& Type::operator=( const Type& other ); |
(One of the variants is sufficient) | |
Copy assignment operator: assigns the contents of other. The internal state of other must not be modified.
The following expressions must have the specified effects:
Expression | Effects |
a = v; | a is equivalent to v, where a is an instance of Type and v is an instance of Type. v must be unchanged. |
[edit] See also
(C++11) (C++11) (C++11) |
checks if a type has a copy assignment operator (class template) |