use references when executing instructions, not moves.

2016-12-01 17:33:02 -07:00
parent d46197f1fd
commit 2874c172ba
3 changed files with 14 additions and 14 deletions
--- a/src/l0/ast.rs
+++ b/src/l0/ast.rs
@@ -17,7 +17,6 @@ pub enum Term {
    Var(Var)
 }

-#[derive(Clone)]
 pub enum MachineInstruction {
    GetStructure(Atom, usize, usize),
    PutStructure(Atom, usize, usize),