[#BloombergLP-bslstl-BidirectionalIterator-2constructor-09]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslstl.adoc[bslstl]::xref:BloombergLP/bslstl/BidirectionalIterator.adoc[BidirectionalIterator]::BidirectionalIterator
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Constructors

== Synopses

Declared in `<bslstl_bidirectionaliterator.h>`

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.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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xref:BloombergLP/bslstl/BidirectionalIterator/2constructor-0c.adoc[BidirectionalIterator]();
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[.small]#xref:BloombergLP/bslstl/BidirectionalIterator/2constructor-0c.adoc[_» more..._]#

Construct a bidirectional iterator from the specified `other` iterator of another (compatible) `BidirectionalIterator` type, e.g., a mutable iterator of the same type. Note that this constructor may be the copy constructor (inhibiting the implicit declaration of a copy constructor above), or may be an additional overload.


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xref:BloombergLP/bslstl/BidirectionalIterator/2constructor-04.adoc[BidirectionalIterator](xref:BloombergLP/bslstl/BidirectionalIterator.adoc[BidirectionalNonConstIterator] const& other);
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[.small]#xref:BloombergLP/bslstl/BidirectionalIterator/2constructor-04.adoc[_» more..._]#

Construct a bidirectional iterator having the specified `implementation` of the parameterized `ITER_IMP` type.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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xref:BloombergLP/bslstl/BidirectionalIterator/2constructor-06.adoc[BidirectionalIterator](ITER_IMP const& implementation);
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[.small]#xref:BloombergLP/bslstl/BidirectionalIterator/2constructor-06.adoc[_» more..._]#


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