[unify_nil gergo@complang.tuwien.ac.at**20090126202844] { hunk ./wam.fs 1075 + +wam-instr: unify_nil ( -- ) + mode case + read of + global-s @ @ create-nil unify + endof + write of + create-nil global-s @ ! + endof + endcase + global-s @ cell+ set-s + ;unary-wam-instr }