begin, cbegin

iterator begin()

Returns a (random access) iterator pointing at the first entry in the row.

Parameters

(None)

Returns

A value of type iterator.

Complexity

Constant

Exceptions

This function is noexcept and is guaranteed never to throw.

const_iterator cbegin()

Returns a const (random access) iterator pointing at the first entry in the row.

Parameters

(None)

Returns

A value of type const_iterator.

Complexity

Constant

Exceptions

This function is noexcept and is guaranteed never to throw.