buffer.bend source

buffer.bend on the hub · documented module

import Baseimport ./state.bend as Simport ./packed.bend as P# Exactly eight big-endian U32 words (32 bytes), with no list allocation.def digest(s: S.State) -> Array<U32>:  match s:    case S.H{a,b,c,d,e,f,g,h}:      ANode{ANode{ANode{ALeaf{a},ALeaf{b}},ANode{ALeaf{c},ALeaf{d}}},ANode{ANode{ALeaf{e},ALeaf{f}},ANode{ALeaf{g},ALeaf{h}}}}def result(r: Maybe<&2,S.State>) -> Maybe<&1,Array<U32>>:  match r:    case None{}: None{}    case Some{s}: Some{digest(s)}def sha256(input: Array<U32>, length: Nat) -> Maybe<&1,Array<U32>>:  result(P.hash(input,length))