type Fs
import bend-kit-regex@0.8.0.0/regex.bend as Regeximport Base
731# The walk from pc 0 over the instructions that consume no char: the sets it reaches, or
732# FsAny when it reaches an assertion or a match, so that any char may start a match.
733type Fs is Data:
734 Fs{stack: List<&2, U32>, seen: List<&2, U32>, sets: List<&2, Inst>}
735 FsAny{}