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Sprout/source/libs/string/basic_string/swap.rst

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.. _sprout-string-basic_string-swap:
###############################################################################
swap
###############################################################################
Interface
========================================
.. sourcecode:: c++
void swap(basic_string& s) SPROUT_NOEXCEPT_EXPR(SPROUT_NOEXCEPT_EXPR(std::swap(std::declval<T&>(), std::declval<T&>())));
Postcondition
========================================
| ``*this`` contains the same sequence of characters that was in s, s contains the same sequence of characters that was in ``*this``.
Throws
========================================
| Nothing unless one of the element-wise swap calls throws an exception.
Examples
========================================
.. sourcecode:: c++
#include <sprout/string.hpp>
#include <sprout/assert.hpp>
using namespace sprout;
auto x = string<8>("homuhomu");
auto y = string<8>("madocchi");
swap(x, y);
SPROUT_ASSERT_MSG(x == "madocchi" && y == "homuhomu", "each element are swapped.");
Complexity
========================================
| linear.
Header
========================================
| ``sprout/string/string.hpp``
| Convenience header: ``sprout/string.hpp``