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https://github.com/bolero-MURAKAMI/Sprout.git
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63 lines
2.2 KiB
ReStructuredText
63 lines
2.2 KiB
ReStructuredText
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.. _sprout-string-basic_string-operator-plus:
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###############################################################################
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operator+
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###############################################################################
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Interface
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========================================
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.. sourcecode:: c++
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template<typename T, std::size_t N, typename Traits>
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inline SPROUT_CONSTEXPR sprout::basic_string<T, N + 1, Traits>
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operator+(sprout::basic_string<T, N, Traits> const& lhs, T const& rhs);
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template<typename T, std::size_t N, typename Traits>
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inline SPROUT_CONSTEXPR sprout::basic_string<T, 1 + N, Traits>
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operator+(T const& lhs, sprout::basic_string<T, N, Traits> const& rhs);
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template<typename T, std::size_t N, typename Traits, std::size_t M>
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inline SPROUT_CONSTEXPR sprout::basic_string<T, N + (M - 1), Traits>
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operator+(sprout::basic_string<T, N, Traits> const& lhs, T const (& rhs)[M]);
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template<typename T, std::size_t N, typename Traits, std::size_t M>
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inline SPROUT_CONSTEXPR sprout::basic_string<T, (M - 1) + N, Traits>
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operator+(T const (& lhs)[M], sprout::basic_string<T, N, Traits> const& rhs);
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template<typename T, std::size_t N1, std::size_t N2, typename Traits>
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inline SPROUT_CONSTEXPR sprout::basic_string<T, N1 + N2, Traits>
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operator+(sprout::basic_string<T, N1, Traits> const& lhs, sprout::basic_string<T, N2, Traits> const& rhs);
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Returns
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========================================
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| A concatenated string.
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Remarks
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========================================
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| String buffer length of the result, become the largest number that can be stored of the concatenated argument.
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Examples
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========================================
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.. sourcecode:: c++
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#include <sprout/string.hpp>
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using namespace sprout;
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SPROUT_STATIC_CONSTEXPR auto x = string<4>("mado");
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SPROUT_STATIC_CONSTEXPR auto y = string<4>("homu");
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SPROUT_STATIC_CONSTEXPR auto z = x + y;
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static_assert(z == "madohomu", "A concatenated string is madohomu.");
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Complexity
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========================================
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| Recursive function invocations in *O(1)* (constant) depth.
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Header
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========================================
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| ``sprout/string/concat.hpp``
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| Convenience header: ``sprout/string.hpp``
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