[#BloombergLP-bslstl-BidirectionalIterator-2constructor-0c]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslstl.adoc[bslstl]::xref:BloombergLP/bslstl/BidirectionalIterator.adoc[BidirectionalIterator]::BidirectionalIterator
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Construct the default value for this iterator type. All default‐ constructed `BidirectionalIterator` objects represent non‐dereferenceable iterators into the same empty range. They do not have a singular value unless an object of the type specified by the template parameter `ITER_IMP` has a singular value after value‐initialization.

== Synopsis

Declared in `<bslstl_bidirectionaliterator.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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BidirectionalIterator();
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