<div class="t-tr-text">C + +の概念：<div class="t-tr-dropdown"><div><div><div class="t-tr-dropdown-arrow-border"></div><div class="t-tr-dropdown-arrow"></div><div class="t-tr-dropdown-h">Original:</div><div class="t-tr-dropdown-orig">C++ concepts:</div><div class="t-tr-dropdown-notes">The text has been machine-translated via [http://translate.google.com Google Translate].<br/> You can help to correct and verify the translation. Click [http://en.cppreference.com/w/Cppreference:MachineTranslations here] for instructions.</div></div></div></div></div> RandomAccessIterator

 

C++

言語

コンセプト

ユーティリティライブラリ

ストリングスライブラリ

コンテナライブラリ

アルゴリズムライブラリ

イテレータライブラリ

ニューメリックスライブラリ

入力/出力ライブラリ

ローカライゼーションライブラリ

正規表現ライブラリ (C++11)

アトミック操作ライブラリ (C++11)

スレッドのサポートライブラリ (C++11)

 

C + +の概念

基本 Original: Basic The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
DefaultConstructible CopyAssignable CopyConstructible	MoveAssignable (C++11) MoveConstructible (C++11) Destructible
ライブラリワイド Original: Library-Wide The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
EqualityComparable LessThanComparable Swappable (C++11) ValueSwappable (C++11)	NullablePointer (C++11) Hash (C++11) Allocator
コンテナ Original: Container The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
Container SequenceContainer ReversibleContainer	AssociativeContainer AllocatorAwareContainer UnorderedAssociativeContainer (C++11)
コンテナ要素 Original: Container Elements The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
CopyInsertable (C++11) MoveInsertable (C++11)	EmplaceConstructible (C++11)
イテレータ Original: Iterator The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
Iterator OutputIterator InputIterator	ForwardIterator BidirectionalIterator RandomAccessIterator
乱数 Original: Random Numbers The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
SeedSequence (C++11) RandomNumberEngine (C++11)	RandomNumberDistribution (C++11) UniformRandomNumberGenerator (C++11) RandomNumberEngineAdaptor (C++11)
同時実行 Original: Concurrency The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
BasicLockable (C++11) Lockable (C++11) TimedLockable (C++11)	Mutex (C++11) TimedMutex (C++11)
その他 Original: Other The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
CharTraits pos_type off_type Clock (C++11)	UnaryTypeTrait (C++11) BinaryTypeTrait (C++11) TransformationTrait (C++11) TrivialClock (C++11)

 

RandomAccessIteratorは、一定時間内の任意の要素を指すように移動することができBidirectionalIteratorです.

Original:

A RandomAccessIterator is a BidirectionalIterator that can be moved to point to any element in constant time.

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標準のポインタは、このコンセプトを満たす型の例です。.

Original:

A standard pointer is an example of a type that satisfies this concept.

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要件

• BidirectionalIterator

上記の要件に加えて、型ItためRandomAccessIteratorされるためには、インスタンスがa、b、iのr、とItを行う必要があります

Original:

In addition to the above requirement, for a type It to be an RandomAccessIterator, instances a, b, i, and r of It must:

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Expression	Return	Equivalent expression	Notes
r += n	It&	if(n>=0)    while(n--) ++r; else    while(n++) --r; return r;	nは、正または負の両方にすることができます Original: n can be both positive or negative The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. 一定の複雑さ（すなわち、同等の表現は実装として使用することはできません） Original: Constant complexity (that is, the equivalent expression cannot be used as implementation) The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
i + n	It	It temp = i; return temp += n;
n + i	It	i + n
r -= n	It&	return r += -n;
i - n	It	It temp = i; return temp -= n;
n - i	It	i - n
b - a	difference	n	returns n such that a+n==b
i[n]	convertible to reference	*(i + n)
a < b	contextually convertible to bool	b - a > 0	Strict total ordering relation: !(a < a) もしa < bその後!(b < a) Original: if a < b then !(b < a) The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. a < bいただくとb < cその後a < c Original: if a < b and b < c then a < c The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. a < bまたはb < aまたはa == b （正確に表現のいずれかに該当する） Original: a < b or b < a or a == b (exactly one of the expressions is true) The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
a > b	contextually convertible to bool	b < a	Total ordering relation opposite to a < b
a >= b	contextually convertible to bool	!(a < b)
a <= b	contextually convertible to bool	!(a > b)

表の注意事項

• Itこの概念を実装している型です

  Original:

  It is the type implementing this concept

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• Tタイプstd::iterator_traits<It>::value_typeです

  Original:

  T is the type std::iterator_traits<It>::value_type

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• referenceタイプstd::iterator_traits<It>::referenceです

  Original:

  reference is the type std::iterator_traits<It>::reference

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• differenceタイプstd::iterator_traits<It>::difference_typeです

  Original:

  difference is the type std::iterator_traits<It>::difference_type

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• i、a、b型のオブジェクトでItまたはconst It

  Original:

  i, a, b are objects of type It or const It

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• rタイプIt&の値です

  Original:

  r is a value of type It&

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• nタイプdifferenceの整数である

  Original:

  n is an integer of type difference

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上記の規則はRandomAccessIteratorもLessThanComparableを実装していることを意味するものではあり.

Original:

The above rules imply that RandomAccessIterator also implements LessThanComparable.

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mutable RandomAccessiteratorはさらにBidirectionalIterator要件を満たしOutputIteratorです.

Original:

A mutable RandomAccessiterator is a BidirectionalIterator that additionally satisfies the OutputIterator requirements.

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