Difference between revisions of "cpp/algorithm/swap"
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===Exceptions=== | ===Exceptions=== | ||
Revision as of 13:28, 11 October 2011
Template:cpp/algorithm/sidebar Template:ddcl list begin <tr class="t-dsc-header">
<td> </td><td></td>
<td></td></tr> <tr class="t-dcl ">
<td >template< class T >
void swap( T& a, T& b );
</td>
void swap( T& a, T& b );
<td > (1) </td> <td class="t-dcl-nopad"> </td> </tr> <tr class="t-dcl ">
<td >template< class T, size_t N >
void swap( T (&a)[N], T (&b)[N]);
</td>
void swap( T (&a)[N], T (&b)[N]);
<td > (2) </td> <td > Template:mark c++11 feature </td> </tr> Template:ddcl list end
Exchanges the given values.
1) Swaps the values a and b.
2) Swaps the arrays a and b. In effect calls Template:cpp.
Contents |
Parameters
| a, b | - | the values to be swapped |
Return value
(none)
Exceptions
1)noexcept specification:
2) noexcept(noexcept(
std::is_nothrow_move_constructible<T>::value &&
std::is_nothrow_move_assignable<T>::value
noexcept specification:
noexcept(noexcept(swap(*a, *b)))
Complexity
Constant
Specializations
Custom specializations of the Template:cpp algorithm are allowed. The following specializations are already provided by the standard library:
