C++ named requirements: CopyAssignable - cppreference.com (original) (raw)
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
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 v is unchanged. |