def ASet.Side

bend-ml-tensor-array@0.1.19.0 · main.bend:2133

import Base

2133# ASet.Side: what a pass over a subtree the write does not enter proves: Array.size(a) is (a, ASet.sz(a)), and the
2134# pair a read along (n, k, w) returns is (its first component, its second)
2135def ASet.Side(-T: Data, -a: Array<T>, -n: U32, -k: U32, -w: Bool) -> Type:
2136  {(a, ASet.sz(T, a)) == Array.size(T, a) : Array<T> & U32} & {(Pair.fst(Array<T>, T, Array.get.go(T, a, n, k, w)), Pair.snd(Array<T>, T, Array.get.go(T, a, n, k, w))) == Array.get.go(T, a, n, k, w) : Array<T> & T} & Unit