fix compilation format.

src/compile.mjs

@@ -98,16 +98,24 @@ function evaluate (env, expr, locals = []) {
 		const args = [ ...expr.args ].reverse();
 		const body = evaluate(env, expr.body, args);
 
-		return body;
+		return compile_function(args, body);
 	}
 
 	throw new Error();
 }
 
+function compile_function (args, body) {
+	if (args.length > 1) {
+		return [0, compile_function(args.slice(1), body)];
+	} else {
+		return [0, body];
+	}
+}
+
 function has_local (locals, name) {
 	return locals.includes(name);
 }
 
 function get_local (locals, name) {
-	return locals.indexOf(name);
+	return locals.indexOf(name) + 1;
 }