def m64_joins
import bend-osdev-legacy-ciphers@0.1.0.0/PROOF.bend as PROOFimport Base
import bend-osdev-legacy-ciphers@0.1.0.0/legacy_ciphers.bend as L
8531# the bytes of the blocks bs in front of ys, structurally
8532def m64_joins(bs: List<&2, L.LcBlock64>, ys: List<&2, U32>) -> List<&2, U32>:
8533 match bs:
8534 case Nil{}:
8535 ys
8536 case Con{b, t}:
8537 L.lc.block_bytes(b, m64_joins(t, ys))