1  use std::fmt::Result;
 2  use std::io::Result as IoResult;
 3  
 4  fn function1() -> Result {
 5      // --snip--
 6      Ok(())
 7  }
 8  
 9  fn function2() -> IoResult<()> {
10      // --snip--
11      Ok(())
12  }
13  
14  fn main() {
15  
16  }