C++ named requirements: CopyAssignable
From cppreference.com
Specifies that an instance of the type can be copy-assigned from an lvalue expression.
Requirements
The type T satisfies CopyAssignable if
- The type
Tsatisfies MoveAssignable, 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 t is equivalent to the value of v.
The value of |
See also
(C++11)(C++11)(C++11) |
checks if a type has a copy assignment operator (class template) |
| checks if reflected type has a copy assignment operator (function) | |
(C++20) |
specifies that a type is assignable from another type (concept) |