subSlices

import mir.functional: staticArray;
auto subs =[
        staticArray(2, 4),
        staticArray(2, 10),
    ];
auto sliceable = 10.iota;

auto r = sliceable.subSlices(subs);
assert(r == [
    iota([4 - 2], 2),
    iota([10 - 2], 2),
    ]);