C + + Konzepte: OutputIterator
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Ein
OutputIterator ist ein Iterator, die spitzen-to-Element schreiben kann . Original:
An
OutputIterator is an Iterator that can write to the pointed-to element. The text has been machine-translated via Google Translate.
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Ein Beispiel eines Typs, der
OutputIterator implementiert ist std :: ostream_iterator .Original:
An example of a type that implements
OutputIterator is std :: ostream_iterator.The text has been machine-translated via Google Translate.
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Wenn
ForwardIterator, BidirectionalIterator oder RandomAccessIterator erfüllt die Anforderungen OutputIterator zusätzlich zu seiner eigenen Anforderungen, es wie beschrieben 'veränderlich' .Original:
When
ForwardIterator, BidirectionalIterator, or RandomAccessIterator satisfies the OutputIterator requirements in addition to its own requirements, it is described as mutable.The text has been machine-translated via Google Translate.
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[Bearbeiten] Anforderungen
Zusätzlich zu der Anforderung für einen Typ
It ein OutputIterator sein, Instanzen und i o von It muss:Original:
In addition to the above requirement, for a type
It to be an OutputIterator, instances i and o of It must:The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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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. 'Post': &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; |
|
| *i++ = o | *i = o; ++i; |