preliminary read support

2018-07-25 17:12:07 -06:00
parent 82ff377585
commit 38dcd6113e
11 changed files with 167 additions and 23 deletions
--- a/src/prolog/arithmetic.rs
+++ b/src/prolog/arithmetic.rs
@@ -31,7 +31,7 @@ impl<'a> ArithInstructionIterator<'a> {
            &Term::Cons(_, _, _) =>
                return Err(ArithmeticError::InvalidTerm),
            &Term::Var(ref cell, ref var) =>
-                TermIterState::Var(Level::Shallow, cell, (*var).clone())
+                TermIterState::Var(Level::Shallow, cell, var.clone())
        };

        Ok(ArithInstructionIterator { state_stack: vec![state] })