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< title > Single Pass Iterator Concept< / title >
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< h1 class = "title" > Single Pass Iterator Concept< / h1 >
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<!-- Copyright David Abrahams 2006. Distributed under the Boost -->
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< p > A class or built-in type < tt class = "docutils literal" > < span class = "pre" > X< / span > < / tt > models the < em > Single Pass Iterator< / em >
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concept if the following expressions are valid and respect the stated
semantics.< / p >
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< tr > < th class = "head" colspan = "3" > Single Pass Iterator Requirements (in addition to Incrementable Iterator and Equality
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Comparable)< / th >
< / tr >
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< tr > < th class = "head" > Expression< / th >
< th class = "head" > Return Type< / th >
< th class = "head" > Assertion/Semantics /
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Pre-/Post-condition< / th >
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< tr > < td > < tt class = "docutils literal" > < span class = "pre" > ++r< / span > < / tt > < / td >
< td > < tt class = "docutils literal" > < span class = "pre" > X& < / span > < / tt > < / td >
< td > pre: < tt class = "docutils literal" > < span class = "pre" > r< / span > < / tt > is
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dereferenceable; post:
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< tt class = "docutils literal" > < span class = "pre" > r< / span > < / tt > is dereferenceable or
< tt class = "docutils literal" > < span class = "pre" > r< / span > < / tt > is past-the-end< / td >
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< / tr >
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< tr > < td > < tt class = "docutils literal" > < span class = "pre" > a< / span > < span class = "pre" > ==< / span > < span class = "pre" > b< / span > < / tt > < / td >
< td > convertible to < tt class = "docutils literal" > < span class = "pre" > bool< / span > < / tt > < / td >
< td > < tt class = "docutils literal" > < span class = "pre" > ==< / span > < / tt > is an equivalence
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relation over its domain< / td >
< / tr >
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< tr > < td > < tt class = "docutils literal" > < span class = "pre" > a< / span > < span class = "pre" > !=< / span > < span class = "pre" > b< / span > < / tt > < / td >
< td > convertible to < tt class = "docutils literal" > < span class = "pre" > bool< / span > < / tt > < / td >
< td > < tt class = "docutils literal" > < span class = "pre" > !(a< / span > < span class = "pre" > ==< / span > < span class = "pre" > b)< / span > < / tt > < / td >
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< / tr >
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< tr > < td > < tt class = "docutils literal" > < span class = "pre" > iterator_traversal< X> ::type< / span > < / tt > < / td >
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< td > Convertible to
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< tt class = "docutils literal" > < span class = "pre" > single_pass_traversal_tag< / span > < / tt > < / td >
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< td > < / td >
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< a class = "reference external" href = "SinglePassIterator.rst" > View document source< / a > .
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