.. cpp:namespace:: libsemigroups::DynamicMatrix<Semiring, Scalar>
.. cpp:function:: RowView row(size_t i) const
Returns a row view into the specified row.
:param i: the row
:returns: A value of type :cpp:any:`RowView`.
:exceptions:
This function guarantees not to throw a :cpp:any:`LibsemigroupsException`.
:complexity: Constant