Difference between revisions of "cpp/named req/CopyConstructible"
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Specifies that an instance of the type can be copy-constructed (copied). | Specifies that an instance of the type can be copy-constructed (copied). | ||
Revision as of 12:26, 15 June 2012
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Specifies that an instance of the type can be copy-constructed (copied).
This concept implies Template:concept.
Requirements
The type must implement the following functions:
Type::Type
| Type::Type( Type& other ); Type::Type( const Type& other ); |
(One of the variants is sufficient) | |
Copy constructor: constructs an instance of a type with the contents of other. The internal state of other is not modified.
The following expressions must have the specified effects:
| Expression | Effects |
| Type a = v; | a is equivalent to v, where rv is an instance of Type. v must be unchanged.
|
| Type(v); | a temporary object of type Type is equivalent to v, where v is an instance of Type. v must be unchanged.
|
See also
| (C++11)(C++11)(C++11) |
checks if a type has a copy constructor (class template) |
