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      std::operator+(std::basic_string)

      提供: cppreference.com
      < cpp‎ | string‎ | basic string

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      C++
       
      文字列ライブラリ
       
      std::basic_string
      メンバ関数
      Original:
      Member functions
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      basic_string::basic_string
      basic_string::operator=
      basic_string::assign
      basic_string::get_allocator
      要素アクセスの循環参照を解除するために使用されている
      Original:
      Element access
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      basic_string::at
      basic_string::operator[]
      basic_string::front(C++11)
      basic_string::back(C++11)
      basic_string::data
      basic_string::c_str
      イテレータ
      Original:
      Iterators
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      basic_string::begin
      basic_string::cbegin
      (C++11)
      basic_string::end
      basic_string::cend
      (C++11)
      basic_string::rbegin
      basic_string::crbegin
      (C++11)
      basic_string::rend
      basic_string::crend
      (C++11)
      容量
      Original:
      Capacity
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      basic_string::empty
      basic_string::size
      basic_string::length
      basic_string::max_size
      basic_string::reserve
      basic_string::capacity
      basic_string::shrink_to_fit(C++11)
      操作
      Original:
      Operations
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      basic_string::clear
      basic_string::insert
      basic_string::erase
      basic_string::push_back
      basic_string::pop_back(C++11)
      basic_string::append
      basic_string::operator+=
      basic_string::compare
      basic_string::replace
      basic_string::substr
      basic_string::copy
      basic_string::resize
      basic_string::swap
      検索
      Original:
      Search
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      basic_string::find
      basic_string::rfind
      basic_string::find_first_of
      basic_string::find_first_not_of
      basic_string::find_last_of
      basic_string::find_last_not_of
      定数
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      Constants
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      basic_string::npos
      非メンバ関数
      Original:
      Non-member functions
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      operator+
      operator==
      operator!=
      operator<
      operator>
      operator<=
      operator>=
      swap(std::basic_string)
      operator<<
      operator>>
      getline
      stoi
      stol
      stoll      		(C++11)
      (C++11)
      (C++11)
      stoul
      stoull      		(C++11)
      (C++11)
      stof
      stod
      stold      		(C++11)
      (C++11)
      (C++11)
      to_string(C++11)
      to_wstring(C++11)
      ヘルパークラス
      Original:
      Helper classes
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      hash<std::string>
      hash<std::wstring>
      hash<std::u32string>
      hash<std::u16string>      		(C++11)
       
      template<class CharT, class Traits, class Alloc >

          basic_string<CharT,Traits,Alloc>
              operator+(const basic_string<CharT,Traits,Alloc>& lhs,

                         const basic_string<CharT,Traits,Alloc>& rhs );
      		 (1)
      template<class CharT, class Traits, class Alloc >

          basic_string<CharT,Traits,Alloc>
              operator+(const CharT* lhs,

                         const basic_string<CharT,Traits,Alloc>& rhs );
      		 (2)
      template<class CharT, class Traits, class Alloc >

          basic_string<CharT,Traits,Alloc>
              operator+( CharT lhs,

                         const basic_string<CharT,Traits,Alloc>& rhs );
      		 (3)
      template<class CharT, class Traits, class Alloc >

          basic_string<CharT,Traits,Alloc>
              operator+(const basic_string<CharT,Traits,Alloc>& lhs,

                         const CharT* rhs );
      		 (4)
      template<class CharT, class Traits, class Alloc>

          basic_string<CharT,Traits,Alloc>
              operator+(const basic_string<CharT,Traits,Alloc>& lhs,

                         CharT rhs );
      		 (5)
      template<class CharT, class Traits, class Alloc >

          basic_string<CharT,Traits,Alloc>
              operator+( basic_string<CharT,Traits,Alloc>&& lhs,

                         const basic_string<CharT,Traits,Alloc>& rhs );
      		 (6) (C++11およびそれ以降)
      template<class CharT, class Traits, class Alloc >

          basic_string<CharT,Traits,Alloc>
              operator+(const basic_string<CharT,Traits,Alloc>& lhs,

                         basic_string<CharT,Traits,Alloc>&& rhs );
      		 (7) (C++11およびそれ以降)
      template<class CharT, class Traits, class Alloc >

          basic_string<CharT,Traits,Alloc>
              operator+( basic_string<CharT,Traits,Alloc>&& lhs,

                         basic_string<CharT,Traits,Alloc>&& rhs );
      		 (8) (C++11およびそれ以降)
      template<class CharT, class Traits, class Alloc >

          basic_string<CharT,Traits,Alloc>
              operator+(const CharT* lhs,

                        basic_string<CharT,Traits,Alloc>&& rhs );
      		 (9) (C++11およびそれ以降)
      template<class CharT, class Traits, class Alloc >

          basic_string<CharT,Traits,Alloc>
              operator+( CharT lhs,

                         basic_string<CharT,Traits,Alloc>&& rhs );
      		 (10) (C++11およびそれ以降)
      template<class CharT, class Traits, class Alloc >

          basic_string<CharT,Traits,Alloc>
              operator+( basic_string<CharT,Traits,Alloc>&& lhs,

                         const CharT* rhs );
      		 (11) (C++11およびそれ以降)
      template<class CharT, class Traits, class Alloc >

          basic_string<CharT,Traits,Alloc>
              operator+( basic_string<CharT,Traits,Alloc>&& lhs,

                         CharT rhs );
      		 (12) (C++11およびそれ以降)
      lhsから文字が続くrhsからの文字を含む文字列を返します。.
      Original:
      Returns a string containing characters from lhs followed by the characters from rhs.
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      目次

      [編集]パラメータ

      lhs -
      文字列、文字、またはNULLで終わる配列内の最初の文字へのポインタ
      Original:
      string, character, or pointer to the first character in a null-terminated array
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      rhs -
      文字列、文字、またはNULLで終わる配列内の最初の文字へのポインタ
      Original:
      string, character, or pointer to the first character in a null-terminated array
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      You can help to correct and verify the translation. Click here for instructions.

      [編集]値を返します

      1) basic_string<CharT,Traits,Alloc>(lhs).append(rhs)

      2) basic_string<CharT,Traits,Alloc>(lhs)+ rhs

      3) basic_string<CharT,Traits,Alloc>(1,lhs)+ rhs

      4) lhs + basic_string<CharT,Traits,Alloc>(rhs)

      5) lhs + basic_string<CharT,Traits,Alloc>(1,rhs)

      6) std::move(lhs.append(rhs))

      7) std::move(rhs.insert(0, lhs))

      8) std::move(lhs.append(rhs)) or std::move(rhs.insert(0, lhs))

      9) std::move(rhs.insert(0, lhs))

      10) std::move(rhs.insert(0, 1, lhs))

      11) std::move(lhs.append(rhs))

      12) std::move(lhs.append(1, rhs))

      [編集]例

      このコードを実行します
      #include <iostream>#include <string>   int main(){std::string s1 ="Hello";std::string s2 ="world";std::cout<< s1 +' '+ s2 +"!\n";}

      出力: 

      Hello world!

      [編集]参照

      末尾に追加の文字を
      Original:
      appends characters to the end
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      (パブリックメンバ関数)[edit]
      末尾に追加の文字を
      Original:
      appends characters to the end
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      (パブリックメンバ関数)[edit]
      		 文字を挿入します
      (パブリックメンバ関数)[edit]
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