Return a const iterator to the first element.

Synopsis

Declared in <bslstl_unorderedmap.h>

const_iterator
cbegin() const noexcept;

Description

Return an iterator providing non‐modifiable access to the first value_type object in the sequence of value_type objects maintained by this unordered map, or the end iterator if this unordered map is empty.

Return Value

const iterator to the first element, or end() if empty

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