C++ named requirements: CopyAssignable
From cppreference.com
C++
C++ named requirements
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Specifies that an instance of the type can be copy-assigned from an lvalue expression .
Requirements
The type
T
satisfies
CopyAssignable
if
-
The type
T
satisfies MoveAssignable , and
Given
-
t
, a modifiable lvalue expression of typeT
, -
v
, an lvalue expression of typeT
orconst T
or 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) |
(C++20)
|
specifies that a type is assignable from another type
(concept) |
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