Return an iterator to the first element, or end if empty.
Declared in <bsltf_testvaluesarray.h>
TestValuesArray<VALUE, ALLOCATOR, CONVERTER, USE_SENTINEL>::const_iterator
begin() const;
Return an iterator providing non-modifiable access to the first VALUE object in the sequence of VALUE objects maintained by this container, or the end iterator if this container is empty.
an iterator to the first element, or end if empty