def law_swap_refines

bendtorch-core@0.1.0.0 · src/storage/refinement.bend:396

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

396def law_swap_refines(-T: Data, +d: Nat, array: Array<T>, +i: U32, new: T,
397  valid: Model.Balanced(T, d, array)) ->
398  {first(T, Array.swap(T, array, i, new)) == Core.write_path(T, d, array, route(d, i), new) : Array<T>}:
399  swap_written(T, d, array, i, new, swap(T, d, array, i, new, valid))