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std::bad_alloc

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< cpp‎ | memory‎ | new

 
 
ユーティリティライブラリ
支援を入力します (basic types, RTTI, type traits)
動的なメモリ管理
エラー処理
プログラムユーティリティ
可変個引数関数
日付と時刻
関数オブジェクト
initializer_list(C++11)
bitset
hash(C++11)
関係演算子
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Relational operators
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rel_ops::operator!=
rel_ops::operator>
rel_ops::operator<=
rel_ops::operator>=
ペアとタプル
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Pairs and tuples
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pair
tuple(C++11)
piecewise_construct_t(C++11)
piecewise_construct(C++11)
フォワード、スワップ、および移動
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Swap, forward and move
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swap
forward(C++11)
move(C++11)
move_if_noexcept(C++11)
declval(C++11)
 
動的なメモリ管理
低レベルのメモリ管理
アロケータ
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Allocators
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allocator
allocator_traits(C++11)
allocator_arg_t(C++11)
allocator_arg(C++11)
uses_allocator(C++11)
scoped_allocator_adaptor(C++11)
ストレージを初期化されていない
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Uninitialized storage
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uninitialized_copy
uninitialized_copy_n(C++11)
uninitialized_fill
uninitialized_fill_n
raw_storage_iterator
get_temporary_buffer
return_temporary_buffer
スマートポインタ
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Smart pointers
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unique_ptr(C++11)
shared_ptr(C++11)
weak_ptr(C++11)
auto_ptr(廃止予定)
owner_less(C++11)
enable_shared_from_this(C++11)
bad_weak_ptr(C++11)
default_delete(C++11)
ガベージコレクションをサポートしています
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Garbage collection support
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declare_reachable(C++11)
undeclare_reachable(C++11)
declare_no_pointers(C++11)
undeclare_no_pointers(C++11)
pointer_safety(C++11)
get_pointer_safety(C++11)
その他
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Miscellaneous
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pointer_traits(C++11)
addressof(C++11)
align(C++11)
Cライブラリ
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C Library
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低レベルのメモリ管理
機能します
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Functions
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operator new
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operator delete
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set_new_handler
クラス
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Classes
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bad_alloc
bad_array_new_length(C++11)
nothrow_t
タイプ
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Types
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new_handler
オブジェクト
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Objects
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nothrow
 
std::bad_alloc
メンバ関数
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Member functions
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bad_alloc::bad_alloc
std::exceptionから継承されます
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Inherited from std::exception
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exception::~exception
exception::what
 
Defined in header <new>
class bad_alloc;

std::bad_alloc is the type of the object thrown as exceptions by the <div class="t-tr-text">割り当て関数

</div> to report failure to allocate storage.

cpp/error/exceptionstd-bad alloc-inheritance.svg
画像の詳細

Inheritance diagram

目次

[編集] メンバ関数

constructs the bad_alloc object
(パブリックメンバ関数)
replaces a bad_alloc object
(パブリックメンバ関数)
説明文字列を返します
Original:
returns explanatory string
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(パブリックメンバ関数)

Inherited from std::exception

Member functions

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]

#include <iostream>
#include <new>
 
int main()
{
    try {
        while (true) {
            new int[100000000ul];
        }
    } catch (const std::bad_alloc& e) {
        std::cout << "Allocation failed: " << e.what() << '\n';
    }
}

Output:

Allocation failed: std::bad_alloc

[編集] も参照してください

割り当て関数
Original:
allocation functions
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(機能) [edit]