fix list index offset bug (#314)

2020-04-06 16:15:36 -06:00
parent 6299d41cda
commit a3c3afba48
3 changed files with 12 additions and 14 deletions
--- a/src/prolog/instructions.rs
+++ b/src/prolog/instructions.rs
@@ -438,9 +438,9 @@ impl IndexingInstruction {
                functor!(
                    "switch_on_term",
                    [integer(vars),
-                      integer(constants),
-                      integer(lists),
-                      integer(structures)]
+                     integer(constants),
+                     integer(lists),
+                     integer(structures)]
                )
            }
            &IndexingInstruction::SwitchOnConstant(constants, _) => {