simplify detection of cycles in printer

2018-05-05 13:20:06 -06:00
parent 81a199836d
commit 885d7c04e3
5 changed files with 15 additions and 63 deletions
--- a/src/prolog/machine/machine_state.rs
+++ b/src/prolog/machine/machine_state.rs
@@ -221,7 +221,6 @@ pub struct MachineState {
    pub(super) hb: usize,
    pub(super) block: usize, // an offset into the OR stack.
    pub(super) ball: Ball,
-    pub(super) redirect: CellRedirect,
    pub(super) interms: Vec<Number>, // intermediate numbers.
 }