import mir.ndslice.topology: iota;
import mir.ndslice.allocation: slice;
auto scalar = 3;
auto vector = 3.iota.slice; // [0, 1, 2]

// scalar = 5;
scalar.ndassign = 5;
assert(scalar == 5);

// vector[] = vector * 2;
vector.ndassign = vector * 2;
assert(vector == [0, 2, 4]);

// vector[] += scalar;
vector.ndassign!"+"= scalar;
assert(vector == [5, 7, 9]);