add more tests that pass.

2018-05-10 19:47:53 -06:00
parent 954c29b103
commit 0f980e204d
3 changed files with 83 additions and 80 deletions
--- a/src/prolog/ast.rs
+++ b/src/prolog/ast.rs
@@ -1402,8 +1402,8 @@ impl ControlInstruction {
 #[derive(Clone)]
 pub enum IndexingInstruction {
    SwitchOnTerm(usize, usize, usize, usize),
-    SwitchOnConstant(usize, HashMap<Constant, usize>),
-    SwitchOnStructure(usize, HashMap<(ClauseName, usize), usize>)
+    SwitchOnConstant(usize, Rc<HashMap<Constant, usize>>),
+    SwitchOnStructure(usize, Rc<HashMap<(ClauseName, usize), usize>>)
 }

 impl From<IndexingInstruction> for Line {