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std::ios_base::failure

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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
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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
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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時まで)

cpp/error/exceptioncpp/error/runtime errorcpp/error/system errorstd-ios base-failure-inheritance.svg
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Inheritance diagram (C + + 11以来)

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
Original:
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

#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';
    }
}

Output: 

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

[編集] も参照してください

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