remove redundant code from arith_eval_by_metacall

2018-03-18 19:25:45 -06:00
parent 9430bee825
commit 612835500c
1 changed files with 7 additions and 11 deletions
--- a/src/prolog/machine/machine_state_impl.rs
+++ b/src/prolog/machine/machine_state_impl.rs
@@ -301,10 +301,6 @@ impl MachineState {
        let instantiation_err = functor!("instantiation_error", 1, [heap_atom!("(is)/2")]);
        let a = self[r].clone();

-        if let &Addr::Con(Constant::Number(ref n)) = &a {
-            return Ok(n.clone());
-        }
-
        let mut interms: Vec<Number> = Vec::with_capacity(64);

        for heap_val in self.post_order_iter(a) {