bug fixes on LCO, backtracking.

2017-12-10 01:24:23 -07:00
parent e44ad111c5
commit 37f4450c34
9 changed files with 107 additions and 106 deletions
--- a/src/main.rs
+++ b/src/main.rs
@@ -34,7 +34,7 @@ mod tests {
        submit(&mut wam, "p(Z, Z).");
        submit(&mut wam, "clouds(are, nice).");

-        // submit returns true on failure, false on success.
+        // submit returns false on failure, true on success.
        assert_eq!(submit(&mut wam, "?- p(Z, Z)."), true);
        assert_eq!(submit(&mut wam, "?- p(Z, z)."), true);
        assert_eq!(submit(&mut wam, "?- p(Z, w)."), true);