vendor/error-chain/src/bin/has_backtrace.rs

   1 //! Exits with exit code 0 if backtraces are disabled and 1 if they are enabled.
   2 //! Used by tests to make sure backtraces are available when they should be. Should not be used
   3 //! outside of the tests.
   4
   5 #[macro_use]
   6 extern crate error_chain;
   7
   8 error_chain! {
   9     errors {
  10         MyError
  11     }
  12 }
  13
  14 fn main() {
  15     let err = Error::from(ErrorKind::MyError);
  16     let has_backtrace = err.backtrace().is_some();
  17     ::std::process::exit(has_backtrace as i32);
  18 }