def turn

minebender-game@1.0.0.0 · game.bend:438

import Base
import minebender-game@1.0.0.0/types.bend as T

438# ps from a point picked by k, wrapping around.
439def turn(+ps: List<&2, T.Pos>, +k: Nat) -> List<&2, T.Pos>:
440  +i = Nat.mod(k, Nat.add(List.length(&2, T.Pos, ps), 1n))
441  List.append(&2, T.Pos, List.drop(&2, T.Pos, ps, i), List.take(&2, T.Pos, ps, i))