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< title > Lvalue Iterator Concept< / title >
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< h1 class = "title" > Lvalue Iterator Concept< / h1 >
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<!-- Copyright David Abrahams 2006. Distributed under the Boost -->
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< p > The < em > Lvalue Iterator< / em > concept adds the requirement that the return
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type of < tt class = "docutils literal" > < span class = "pre" > operator*< / span > < / tt > type be a reference to the value type of the
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iterator.< / p >
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< tr > < th class = "head" colspan = "3" > Lvalue Iterator Requirements< / th >
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< / tr >
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< tr > < th class = "head" > Expression< / th >
< th class = "head" > Return Type< / th >
< th class = "head" > Note/Assertion< / th >
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< tr > < td > < tt class = "docutils literal" > < span class = "pre" > *a< / span > < / tt > < / td >
< td > < tt class = "docutils literal" > < span class = "pre" > T& < / span > < / tt > < / td >
< td > < tt class = "docutils literal" > < span class = "pre" > T< / span > < / tt > is < em > cv< / em >
< tt class = "docutils literal" > < span class = "pre" > iterator_traits< X> ::value_type< / span > < / tt >
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where < em > cv< / em > is an optional
cv-qualification.
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pre: < tt class = "docutils literal" > < span class = "pre" > a< / span > < / tt > is
dereferenceable. If < tt class = "docutils literal" > < span class = "pre" > a< / span >
< span class = "pre" > ==< / span > < span class = "pre" > b< / span > < / tt > then < tt class = "docutils literal" > < span class = "pre" > *a< / span > < / tt > is
equivalent to < tt class = "docutils literal" > < span class = "pre" > *b< / span > < / tt > .< / td >
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< a class = "reference external" href = "LvalueIterator.rst" > View document source< / a > .
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