finalize transition to CutPolicy trait object.

2018-02-07 21:46:40 -07:00
parent 1bf9c0d205
commit 1b4d1c04c9
6 changed files with 62 additions and 35 deletions
--- a/src/prolog/ast.rs
+++ b/src/prolog/ast.rs
@@ -818,6 +818,7 @@ pub enum BuiltInInstruction {
    IsString(RegType),
    IsVar(RegType),
    ResetBlock,
+    RestoreCutPolicy,
    SetBall,
    SetCutPoint(RegType),
    Succeed,