From Jason Turner

[output.iterators]

C++17 → C++20 1.7 KB 24 lines
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Archived: C++17 | C++20
Markdown: C++17 | C++20
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C++ Weekly: Ep 279

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- ### Output iterators <a id="output.iterators">[[output.iterators]]</a>
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- A class or pointer type `X` satisfies the requirements of an output
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- iterator if `X` satisfies the `Iterator` requirements (
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- [[iterator.iterators]]) and the expressions in Table 
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- [[tab:iterator.output.requirements]] are valid and have the indicated
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  semantics.
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  [*Note 1*: The only valid use of an `operator*` is on the left side of
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- the assignment statement. *Assignment through the same value of the
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- iterator happens only once.* Algorithms on output iterators should never
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- attempt to pass through the same iterator twice. They should be *single
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- pass* algorithms. Equality and inequality might not be defined.
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- Algorithms that take output iterators can be used with ostreams as the
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- destination for placing data through the `ostream_iterator` class as
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- well as with insert iterators and insert pointers. — *end note*]
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+ #### Output iterators <a id="output.iterators">[[output.iterators]]</a>
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+ A class or pointer type `X` meets the requirements of an output iterator
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+ if `X` meets the *Cpp17Iterator* requirements [[iterator.iterators]] and
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+ the expressions in [[outputiterator]] are valid and have the indicated
 
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  semantics.
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  [*Note 1*: The only valid use of an `operator*` is on the left side of
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+ the assignment statement. Assignment through the same value of the
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+ iterator happens only once. Algorithms on output iterators should never
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+ attempt to pass through the same iterator twice. They should be
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+ single-pass algorithms. Equality and inequality might not be
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+ defined. — *end note*]
 
 
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