C++ 概念： OutputIterator

 

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C++ 的概念

基础
DefaultConstructible CopyAssignable CopyConstructible	MoveAssignable （C++11） MoveConstructible （C++11） Destructible
库
EqualityComparable LessThanComparable Swappable （C++11） ValueSwappable （C++11）	NullablePointer （C++11） Hash （C++11） Allocator
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Container SequenceContainer ReversibleContainer	AssociativeContainer AllocatorAwareContainer UnorderedAssociativeContainer （C++11）
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CopyInsertable （C++11） MoveInsertable （C++11）	EmplaceConstructible （C++11）
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Iterator OutputIterator InputIterator	ForwardIterator BidirectionalIterator RandomAccessIterator
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SeedSequence （C++11） RandomNumberEngine （C++11）	RandomNumberDistribution （C++11） UniformRandomNumberGenerator （C++11） RandomNumberEngineAdaptor （C++11）
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BasicLockable （C++11） Lockable （C++11） TimedLockable （C++11）	Mutex （C++11） TimedMutex （C++11）
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CharTraits pos_type off_type Clock （C++11）	UnaryTypeTrait （C++11） BinaryTypeTrait （C++11） TransformationTrait （C++11） TrivialClock （C++11）

 

OutputIterator是一个Iterator可以写入到指向的元素.

Original:

An OutputIterator is an Iterator that can write to the pointed-to element.

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一个例子的一个类型实现OutputIterator的std :: ostream_iterator连用.

Original:

An example of a type that implements OutputIterator is 的std :: ostream_iterator连用.

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当ForwardIterator，BidirectionalIterator，或RandomAccessIterator满足OutputIterator要求，除了其自身的需求，它被描述为“'可变

Original:

When ForwardIterator, BidirectionalIterator, or RandomAccessIterator satisfies the OutputIterator requirements in addition to its own requirements, it is described as mutable.

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要求

• Iterator

除上述要求外，类型ItOutputIterator，实例i和oIt必须：

Original:

In addition to the above requirement, for a type It to be an OutputIterator, instances i and o of It must:

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Expression	Return	Equivalent expression	Notes
*i = o			it may not be possible to write twice in the same iterator
++i	It&		After this, copies of i may be invalidated. 发表'“：&r == &++r Original: Post: &r == &++r The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
i++	const It&	It temp = i; ++i; return temp;
*i++ = o		*i = o; ++i;