debugging reference and ownership issues

src/util.rs

@@ -4,6 +4,9 @@ use std::collections::HashMap;
 use std::borrow::Cow;
 use std::str::FromStr;
 use sfml::graphics::IntRect;
+use std::fs::File;
+use std::io::BufRead;
+use std::io::BufReader;
 
 pub fn read_spritesheet(filename: String) -> HashMap<String, HashMap<String, i32>> {
 
@@ -75,4 +78,11 @@ pub fn grab_sheet_rec(spritename: String, spritesheet: &HashMap<String, HashMap<
         *block_desc.get("width").unwrap(),
         *block_desc.get("height").unwrap()
     )
+}
+
+pub fn read_map(filename: String) {
+    let file = File::open(filename).expect("Could not open file");
+    for line in BufReader::new(file).lines() {
+        println!("{:?}", line);
+    }
 }