refactoring assembler

assembler/src/main.rs

@@ -13,7 +13,7 @@ fn main() {
     let src = PathBuf::from(input_path);
     let mut output_file = fs::File::create(output_path).unwrap();
 
-    match assembler::assemble(&src) {
+    match assembler::assembler::assemble(&src) {
         Ok(res) => {
             res.iter().map(|i| i.encode()).for_each(|i| {
                 output_file.write_all(&i.to_le_bytes()).unwrap();