def tr.join_eq
import bend-osdev-mode-core@0.1.0.0/PROOF.bend as PROOFimport Base
import bend-osdev-mode-core@0.1.0.0/mode_core.bend as M
613def tr.join_eq(+bs: List<&2, M.CmBlock>, +rest: List<&2, U32>) -> {M.cm.join_onto(bs, rest) == M.cm.join_onto.fast(bs, rest) : List<&2, U32>}:
614 Equal.sym(List<&2, U32>, M.cm.join_onto.fast(bs, rest), M.cm.join_onto(bs, rest), tr.join_go(bs, Nil{}, rest))