def concat_go
bend-osdev-bytes@0.1.1.0 · PROOF.bend:723
import bend-osdev-bytes@0.1.1.0/PROOF.bend as PROOF
import Base
import bend-osdev-bytes@0.1.1.0/bytes.bend as B
723def concat_go(+os: List<&2, B.Octets>, +acc: List<&2, B.OctByte>) -> {B.w8s.concat.go(os, acc) == B.w8s.rev_onto(B.Octets.words(B.Octets.concat.ref(os)), acc) : List<&2, B.OctByte>}:
724 match os:
725 case Nil{}:
726 {==}
727 case Con{B.Octets{+ws}, t}:
728 Equal.trans(List<&2, B.OctByte>, B.w8s.concat.go(t, B.w8s.rev_onto(ws, acc)), B.w8s.rev_onto(B.Octets.words(B.Octets.concat.ref(t)), B.w8s.rev_onto(ws, acc)), B.w8s.rev_onto(B.Octets.words(B.Octets.append(B.Octets{ws}, B.Octets.concat.ref(t))), acc),
729 concat_go(t, B.w8s.rev_onto(ws, acc)), concat_step(ws, B.Octets.concat.ref(t), acc))