1  // Copyright (C) 2019-2021 Alpha-Delta Network Inc.
 2  // This file is part of the alphastd library.
 3  
 4  // The alphastd library is free software: you can redistribute it and/or modify
 5  // it under the terms of the GNU General Public License as published by
 6  // the Free Software Foundation, either version 3 of the License, or
 7  // (at your option) any later version.
 8  
 9  // The alphastd library is distributed in the hope that it will be useful,
10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  // GNU General Public License for more details.
13  
14  // You should have received a copy of the GNU General Public License
15  // along with the alphastd library. If not, see <https://www.gnu.org/licenses/>.
16  
17  use alphastd::prelude::*;
18  
19  fn foo() -> u32 {
20      // Start the timer.
21      let timer = timer!("Arithmetic");
22  
23      // Insert expensive operation here
24      let x = 1 + 1;
25  
26      // Print the elapsed time up to this point.
27      lap!(timer);
28  
29      // Insert expensive operation here
30      let y = 1 + 1;
31  
32      // Print the total time elapsed.
33      finish!(timer);
34  
35      x + y
36  }
37  
38  fn main() {
39      foo();
40  }