begin overloads
Declared in <bslstl_unorderedset.h>
Return an iterator providing modifiable access to the first value_type object (in the sequence of value_type objects) maintained by this set, or the end iterator if this set is empty.
iterator
begin() noexcept;Return an iterator providing non-modifiable access to the first value_type object in the sequence of value_type objects maintained by this set, or the end iterator if this set is empty.
const_iterator
begin() const noexcept;Return a local iterator providing modifiable access to the first value_type object in the sequence of value_type objects of the bucket having the specified index, in the array of buckets maintained by this set, or the end(index) otherwise.
local_iterator
begin(size_type index);Return a local iterator providing non-modifiable access to the first value_type object (in the sequence of value_type objects) of the bucket having the specified index in the array of buckets maintained by this set, or the end(index) otherwise.
const_local_iterator
begin(size_type index) const;