def exp_pick
import bend-collections@1.0.0.0/src/math/f64.bend as F64import Base
828def exp_pick(+t: Nat, pos: Bool) -> Exp:
829 match pos:
830 case True{}:
831 Exp{False{}, Nat.sub(t, 3000n)}
832 case False{}:
833 Exp{True{}, Nat.sub(3000n, t)}