add sort, keysort.

2018-03-11 17:37:29 -06:00
parent 7500465b38
commit acdb3f2c45
7 changed files with 204 additions and 28 deletions
--- a/src/prolog/macros.rs
+++ b/src/prolog/macros.rs
@@ -707,3 +707,15 @@ macro_rules! try_eval_session {
        }
    )
 }
+
+macro_rules! sort_call {
+    () => (
+        Line::Control(ControlInstruction::SortCall)
+    )
+}
+
+macro_rules! keysort_call {
+    () => (
+        Line::Control(ControlInstruction::KeySortCall)
+    )
+}