[#BloombergLP-bslstl-operator_minus-0b]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslstl.adoc[bslstl]::operator‐
:relfileprefix: ../../
:mrdocs:

Return the distance from the specified `rhs` iterator to the specified `lhs` iterator. The behavior is undefined unless `lhs` and `rhs` are iterators into the same underlying sequence. Note that the result might be negative.

== Synopsis

Declared in `<bslstl_randomaccessiterator.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    class T1,
    class T2,
    class ITER_IMP,
    class TAG_TYPE>
std::ptrdiff_t
operator‐(
    xref:BloombergLP/bslstl/RandomAccessIterator.adoc[RandomAccessIterator<T1, ITER_IMP, TAG_TYPE>] const& lhs,
    xref:BloombergLP/bslstl/RandomAccessIterator.adoc[RandomAccessIterator<T2, ITER_IMP, TAG_TYPE>] const& rhs);
----


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