first more or less functional version
now~l
now~l
arity-0 rules with rhs.size > 1
proper cky+
proper cky+
visit fn
scan
scan
refactoring
fix
refactoring
ja, it's slow
added self-filling, fixing stuff
correct, but still slow
minor changes
intersect2 correct & fast (ok, at least not impossibly slow)
cleanup
readme
need to fix self-filling