def law_swap_at_balanced

bendtorch-core@0.1.0.0 · src/storage/refinement.bend:444

import Base
import bendtorch-core@0.1.0.0/src/storage/model.bend as Model

444def law_swap_at_balanced(-T: Data, d: Nat, array: Array<T>, +n: U32, +i: U32, new: T,
445  valid: Model.Balanced(T, d, array)) ->
446  Model.Balanced(T, d, first(T, Array.swap.at(T, i, new, (array, n)))):
447  swap_go_balanced(T, d, array, n, masked(n, i), U32.is_lt(masked(n, i), U32.shr(n)), new,
448    swap_go(T, d, array, n, masked(n, i), new, U32.is_lt(masked(n, i), U32.shr(n)), valid))