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      std::ios_base::failure

      提供: cppreference.com
      < cpp‎ | io‎ | ios base

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      C++
       
      入力/出力ライブラリ
      I / Oのマニピュレータ
      CスタイルのI / O
      バッファ
      Original:
      Buffers
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      basic_streambuf
      basic_filebuf
      basic_stringbuf
      strstreambuf(廃止予定)
      ストリーム
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      Streams
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      抽象化
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      Abstractions
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      ios_base
      basic_ios
      basic_istream
      basic_ostream
      basic_iostream
      ファイルI / O
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      File I/O
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      basic_ifstream
      basic_ofstream
      basic_fstream
      文字列I / O
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      String I/O
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      basic_istringstream
      basic_ostringstream
      basic_stringstream
      アレイのI / O
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      Array I/O
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      istrstream(廃止予定)
      ostrstream(廃止予定)
      strstream(廃止予定)
      タイプ
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      Types
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      streamoff
      streamsize
      fpos
      エラーカテゴリインターフェース
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      Error category interface
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      iostream_category(C++11)
      io_errc(C++11)
       
      ios_base::failure
      メンバ関数
      Original:
      Member functions
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      failure::failure
       
      Defined in header <ios>
      class failure;
      クラスstd::ios_base::failureは、入力/出力ライブラリの関数で失敗した場合にスローされた例外オブジェクトを定義しています.
      Original:
      The class std::ios_base::failure defines an exception object that is thrown on failure by the functions in the Input/Output library.
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      cpp/error/exceptionstd-ios base-failure-2003-inheritance.svg
      画像の詳細

      Inheritance diagram (C++11以前)

      cpp/error/exceptioncpp/error/runtime errorcpp/error/system errorstd-ios base-failure-inheritance.svg
      画像の詳細

      Inheritance diagram (C++11およびそれ以降)

      目次

      [編集]メンバ関数

      例外オブジェクトを構築します
      Original:
      constructs the exception object
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      (パブリックメンバ関数)[edit]

      Inherited from std::system_error

      Member functions

      エラーコードを返します
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      returns error code
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      (パブリックメンバ関数of std::system_error)[edit]
      [仮想]
      説明文字列を返します
      Original:
      returns explanatory string
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      (仮想パブリックメンバ関数of std::system_error)[edit]

      Inherited from std::runtime_error


      Inherited from std::exception

      Member functions

      [仮想]
      例外オブジェクトを破棄します
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      destructs the exception object
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      (仮想パブリックメンバ関数of std::exception)[edit]
      [仮想]
      説明文字列を返します
      Original:
      returns an explanatory string
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      (仮想パブリックメンバ関数of std::exception)[edit]

      [編集]例

      このコードを実行します
      #include <iostream>#include <fstream>int main(){std::ifstream f("doesn't exist");try{ f.exceptions(f.failbit);}catch(const std::ios_base::failure& e){std::cout<<"Caught an ios_base::failure.\n"<<"Explanatory string: "<< e.what()<<'\n'<<"Error code: "<< e.code()<<'\n';}}

      出力: 

      Caught an ios_base::failure. Explanatory string: ios_base::clear: unspecified iostream_category error Error code: iostream:1

      [編集]参照

      (C++11)
      IOストリーム·エラー·コード
      Original:
      the IO stream error codes
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