vendor/failure/examples/bail_ensure.rs

   1 #[macro_use]
   2 extern crate failure;
   3
   4 use failure::Error;
   5
   6 fn bailer() -> Result<(), Error> {
   7     // bail!("ruh roh");
   8     bail!("ruh {}", "roh");
   9 }
  10
  11 fn ensures() -> Result<(), Error> {
  12     ensure!(true, "true is false");
  13     ensure!(false, "false is false");
  14     Ok(())
  15 }
  16
  17 fn main() {
  18     match bailer() {
  19         Ok(_) => println!("ok"),
  20         Err(e) => println!("{}", e),
  21     }
  22     match ensures() {
  23         Ok(_) => println!("ok"),
  24         Err(e) => println!("{}", e),
  25     }
  26 }