41 std::iota(map.
begin(), map.
end(), start);
labelList identity(const label len, label start=0)
Return an identity map of the given length with (map[i] == i)
iterator begin() noexcept
Return an iterator to begin traversing the UList.
const labelList emptyLabelList
A zero-sized list of labels.
iterator end() noexcept
Return an iterator to end traversing the UList.