feat: display to print/println

src/env/core.rs

@@ -361,12 +361,22 @@ pub(super) fn core() -> HashMap<String, Node> {
         ),
         // IO
         (
-            "display",
+            "print",
             Node::NativeFunc(|_env, args| {
                 arg_count!(1, args.len());
 
                 print!("{}", args[0]);
 
+                Ok(Node::Void)
+            }),
+        ),
+        (
+            "println",
+            Node::NativeFunc(|_env, args| {
+                arg_count!(1, args.len());
+
+                println!("{}", args[0]);
+
                 Ok(Node::Void)
             }),
         ),