law swap

stelliferous@0.0.2.0 · proofs/storage_refinement.bend:173

import Base
import stelliferous@0.0.2.0/proofs/storage_tree_model.bend as Tree

173law swap:
174  for -T: Data
175  for +tree: Tree.Tree<T>
176  for +i: U32
177  for +v: T
178  {Array.swap(T,Tree.pack(T,tree),i,v) == (Tree.pack(T,Tree.write(T,tree,i,v)),Tree.read(T,tree,i)) : Array<T> & T}