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add doc string operator+

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Bolero-MURAKAMI 2013-09-04 21:55:51 +09:00
parent 5e83aa2c79
commit b692583906
9 changed files with 391 additions and 30 deletions
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source/libs/string/basic_string/operator-plus.rst Normal file
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.. _sprout-string-basic_string-operator-plus:
###############################################################################
operator+
###############################################################################
Interface
========================================
.. sourcecode:: c++
template<typename T, std::size_t N, typename Traits>
inline SPROUT_CONSTEXPR sprout::basic_string<T, N + 1, Traits>
operator+(sprout::basic_string<T, N, Traits> const& lhs, T const& rhs);
template<typename T, std::size_t N, typename Traits>
inline SPROUT_CONSTEXPR sprout::basic_string<T, 1 + N, Traits>
operator+(T const& lhs, sprout::basic_string<T, N, Traits> const& rhs);
template<typename T, std::size_t N, typename Traits, std::size_t M>
inline SPROUT_CONSTEXPR sprout::basic_string<T, N + (M - 1), Traits>
operator+(sprout::basic_string<T, N, Traits> const& lhs, T const (& rhs)[M]);
template<typename T, std::size_t N, typename Traits, std::size_t M>
inline SPROUT_CONSTEXPR sprout::basic_string<T, (M - 1) + N, Traits>
operator+(T const (& lhs)[M], sprout::basic_string<T, N, Traits> const& rhs);
template<typename T, std::size_t N1, std::size_t N2, typename Traits>
inline SPROUT_CONSTEXPR sprout::basic_string<T, N1 + N2, Traits>
operator+(sprout::basic_string<T, N1, Traits> const& lhs, sprout::basic_string<T, N2, Traits> const& rhs);
Returns
========================================
| A concatenated string.
Remarks
========================================
| String buffer length of the result, become the largest number that can be stored of the concatenated argument.
Examples
========================================
.. sourcecode:: c++
#include <sprout/string.hpp>
using namespace sprout;
SPROUT_STATIC_CONSTEXPR auto x = string<4>("mado");
SPROUT_STATIC_CONSTEXPR auto y = string<4>("homu");
SPROUT_STATIC_CONSTEXPR auto z = x + y;
static_assert(z == "madohomu", "A concatenated string is madohomu.");
Complexity
========================================
| Recursive function invocations in *O(1)* (constant) depth.
Header
========================================
| ``sprout/string/concat.hpp``
| Convenience header: ``sprout/string.hpp``