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

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2013-09-08 09:59:50 +00:00
.. _sprout-string-basic_string-length:
###############################################################################
length
###############################################################################
Interface
========================================
.. sourcecode:: c++
SPROUT_CONSTEXPR size_type length() const SPROUT_NOEXCEPT;
Returns
========================================
| The number of elements contained in the string.
Examples
========================================
.. sourcecode:: c++
#include <sprout/string.hpp>
using namespace sprout;
SPROUT_STATIC_CONSTEXPR auto input = string<8>("homuhomu");
static_assert(input.length() == 8, "input size is 8.");
Complexity
========================================
| Recursive function invocations in *O(1)* (constant) depth.
Header
========================================
| ``sprout/string/string.hpp``
| Convenience header: ``sprout/string.hpp``