std::add_lvalue_reference, std::add_rvalue_reference
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<td>Defined in header
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<type_traits>
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<td >template< class T >
struct add_lvalue_reference;
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struct add_lvalue_reference;
<td > (1) </td> <td > Template:mark c++11 feature </td> </tr> <tr class="t-dcl ">
<td >template< class T >
struct add_rvalue_reference;
</td>
struct add_rvalue_reference;
<td > (2) </td> <td > Template:mark c++11 feature </td> </tr> Template:ddcl list end
1) If T is an object or function, provides a member typedef type which is T&. If T is an rvalue reference to some type U, then type is U&. Otherwise, type is T.
2) If T is an object or function, provides a member typedef type which is T&&, otherwise type is T.
Contents |
Member types
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Notes
These type transformations honor reference collapse rules:
Example
See also
| (C++11) |
checks if a type is either an lvalue reference or rvalue reference (class template) |
| (C++11) |
removes a reference from the given type (class template) |
