diff --git a/src/main.rs b/src/main.rs
index e24511e..45861c3 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,5 +1,5 @@
 #![feature(macro_rules)]
-use nom::{feed, parse, Error, Done, Incomplete};
+use nom::{feed, parse, print, Error, Done, Incomplete};
 
 mod nom;
 
@@ -13,4 +13,6 @@ fn main() {
   }
 
   feed();
+  let v2 = "abc";
+  print(&v2);
 }
diff --git a/src/nom.rs b/src/nom.rs
index 25c9c3a..1e35b7a 100644
--- a/src/nom.rs
+++ b/src/nom.rs
@@ -3,6 +3,8 @@
 
 extern crate collections;
 
+use std::fmt::Show;
+
 type Err = uint;
 pub enum Parser<'a,I,O> {
   Done(I,O),
@@ -55,3 +57,7 @@ pub fn parse<'a>(input: &'a [u8]) -> Parser<'a, &'a [u8], &'a [u8]> {
   }
 }
 
+pub fn print<'a, T: Show>(input: &'a T) -> Parser<'a, (), ()> {
+  println!("{}", input);
+  Done((), ())
+}