def rec.len
import bend-kit-tar@0.3.0.0/tar.bend as Tarimport Base
626# A PAX path record's length: nl + 7 plus its own digits, found as in POSIX pax.
627def rec.len(+nl: U32) -> U32:
628 +base = (nl + 7 : U32)
629 (base + digits((base + digits(base) : U32)) : U32)