Fix cargo build

src/main.rs

@@ -67,8 +67,9 @@ fn main() {
 
     let matches = {
         let args: Vec<_> = std::env::args()
+            .skip(1)
             .collect();
-        opts.parse(args.tail())
+        opts.parse(args)
             .unwrap_or_else(|err| panic!("{}", err))
     };
 

src/repl.rs

@@ -1,3 +1,5 @@
+use std::io::BufRead;
+
 use compiler::*;
 use typecheck::*;
 use vm::*;
@@ -81,7 +83,9 @@ pub fn start() {
         Ok(prelude) => { vm.add_assembly(prelude); }
         Err(err) => println!("Failed to compile the prelude\nReason: {}", err)
     }
-    for line in ::std::io::stdin().lock().lines() {
+
+    let stdin = ::std::io::stdin();
+    for line in stdin.lock().lines() {
         let expr_str = match line {
             Ok(l) => l,
             Err(e) => panic!("Reading line failed with '{:?}'", e)

src/vm.rs

@@ -28,7 +28,7 @@ enum DictionaryEntry {
     App(usize, InstanceDictionary)
 }
 
-enum Node_<'a> {
+pub enum Node_<'a> {
     Application(Node<'a>, Node<'a>),
     Int(isize),
     Float(f64),
@@ -56,7 +56,7 @@ impl <'a> Clone for Node_<'a> {
 }
 
 #[derive(Clone)]
-struct Node<'a> {
+pub struct Node<'a> {
     node: Rc<RefCell<Node_<'a>>>
 }