C++ concepts: CopyAssignable
From cppreference.com
                    
                                        
                    
                    
                                                            
                    Specifies that an instance of the type can be copy-assigned from an lvalue expression.
[edit] Requirements
The type T satisfies CopyAssignable if
-  The type TsatisfiesMoveAssignable, and
Given
-  t, a modifiable lvalue expression of typeT
-  v, an lvalue expression of typeTorconst Tor an rvalue expression of typeconst T
The following expressions must be valid and have their specified effects
| Expression | Return type | Return value | Post-conditions | 
|---|---|---|---|
| t = v | T& | t | The value of tis equivalent to the value ofv.The value of  | 
[edit] See also
| (C++11)(C++11)(C++11) | checks if a type has a copy assignment operator (class template) | 


