Difference between revisions of "cpp/named req/CopyAssignable"
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− | Specifies that an instance of the type can be copy-assigned. | + | Specifies that an instance of the type can be copy-assigned from an [[cpp/language/value_category|lvalue expression]]. |
===Requirements=== | ===Requirements=== |
Revision as of 12:48, 28 December 2013
Template:cpp/concept/title Template:cpp/concept/navbar
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 Template:concept, and
Given
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) |