From 8f5b0f1040de849da3fb5ade645308e7bbe7f025 Mon Sep 17 00:00:00 2001
From: Joel Martin <github@martintribe.org>
Date: Sat, 25 Oct 2014 13:00:01 -0500
Subject: Rust: add step3_env

---
 rust/src/step2_eval.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'rust/src/step2_eval.rs')

diff --git a/rust/src/step2_eval.rs b/rust/src/step2_eval.rs
index 5df9a94..8d28a0f 100644
--- a/rust/src/step2_eval.rs
+++ b/rust/src/step2_eval.rs
@@ -6,6 +6,7 @@ extern crate regex;
 
 use std::rc::Rc;
 use std::collections::HashMap;
+
 use types::{MalVal,MalRet,Nil,Int,Sym,List,Func};
 mod readline;
 mod types;
@@ -21,7 +22,7 @@ fn read(str: String) -> MalRet {
 fn eval_ast(ast: MalVal, env: &HashMap<String,MalVal>) -> MalRet {
     match *ast {
         Sym(ref sym) => {
-            match (*env).find_copy(sym) {
+            match env.find_copy(sym) {
                 Some(mv) => Ok(mv),
                 None     => Ok(Rc::new(Nil)),
             }
-- 
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