generalize has_null_ball

2017-08-14 10:11:17 -06:00
parent a06d99a313
commit a3fbf1bc73
1 changed files with 1 additions and 1 deletions
--- a/src/prolog/machine.rs
+++ b/src/prolog/machine.rs
@@ -1148,7 +1148,7 @@ impl MachineState {
    fn has_null_ball(&self) -> bool
    {
-        if let &Addr::Con(Constant::UInt64(0)) = &self.ball {
+        if let &Addr::Con(Constant::UInt64(_)) = &self.ball {
            true
        } else {
            false