fix compile_seq, variable printing on standalone inlines.

2018-02-16 22:18:17 -07:00
parent 280dbe9539
commit 61bc5a2a29
8 changed files with 155 additions and 153 deletions
--- a/src/prolog/lib/lists.rs
+++ b/src/prolog/lib/lists.rs
@@ -9,7 +9,8 @@ pub static LISTS: &str = "member(X, [X|_]).

                          memberchk(X, Xs) :- member(X, Xs), !.

-                          reverse(Xs, Ys) :- reverse(Xs, [], Ys).
+                          reverse(Xs, Ys) :- var(Ys), !, reverse(Xs, [], Ys).
+                          reverse(Ys, Xs) :- var(Ys), reverse(Xs, [], Ys).

                          reverse([], Ys, Ys).
                          reverse([H|T], Ps, Rs) :-