Return a past-the-end const iterator.
Declared in <bslstl_unorderedmap.h>
<bslstl_unorderedmap.h>
const_iterator end() const noexcept;
Return an iterator providing non-modifiable access to the past-the-end position in the sequence of value_type objects maintained by this unordered map.
value_type
past-the-end const iterator