|  | // Copyright (C) 2023-2024 Free Software Foundation, Inc. | 
|  |  | 
|  | // This program is free software; you can redistribute it and/or modify | 
|  | // it under the terms of the GNU General Public License as published by | 
|  | // the Free Software Foundation; either version 3 of the License, or | 
|  | // (at your option) any later version. | 
|  | // | 
|  | // This program is distributed in the hope that it will be useful, | 
|  | // but WITHOUT ANY WARRANTY; without even the implied warranty of | 
|  | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
|  | // GNU General Public License for more details. | 
|  | // | 
|  | // You should have received a copy of the GNU General Public License | 
|  | // along with this program.  If not, see <http://www.gnu.org/licenses/>. | 
|  |  | 
|  | fn main() { | 
|  | let four: u8 = "4".parse().unwrap(); | 
|  | println!("{}", four);	// set breakpoint here | 
|  | } |