From c6a92728eedc96f776052a550759a61bc53cf8be Mon Sep 17 00:00:00 2001
From: greg <greg.shuflin@protonmail.com>
Date: Sat, 18 Jul 2015 15:00:18 -0700
Subject: [PATCH] Scaffolding for evaluation function

---
 src/main.rs | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/src/main.rs b/src/main.rs
index 81a2db7..21c5c4d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -38,6 +38,9 @@ fn repl() {
 
                 let ast = parse(tokens);
                 println!("AST: {:?}", ast);
+
+                let eval = evaluate(&ast);
+                println!("{}", eval);
             },
             Err(err) => {
                 println!("Error: {}", err);
@@ -63,3 +66,14 @@ fn tokenize(input: &str) -> Vec<Token> {
 fn parse(_input: Vec<Token>) -> ASTNode {
     ASTNode::GenericNode
 }
+
+fn evaluate(input: &ASTNode) -> String {
+
+    return match eval_ast(input) {
+        ASTNode::GenericNode => "Not implemented".to_string()
+    };
+
+    fn eval_ast(_input: &ASTNode) -> ASTNode {
+        return ASTNode::GenericNode;
+    }
+}