error_tools 0.39.0

Basic exceptions handling mechanism
Documentation 
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#![allow(unused_imports)]
use super :: *;

//

#[ test ]
fn err_with() 
{
  use the_module ::ErrWith;
  let result: Result< (), std ::io ::Error > = Err(std ::io ::Error ::other("an error occurred"));
  let got: Result< (), (&str, std ::io ::Error) > = result.err_with(|| "additional context");
  let exp: Result< (), (&str, std ::io ::Error) > = Err((
  "additional context",
  std ::io ::Error ::other("an error occurred"),
 ));
  assert_eq!(got.as_ref().unwrap_err().0, exp.as_ref().unwrap_err().0);
  assert!(got.is_err());
}

//

#[ test ]
fn err_with_report() 
{
  use the_module ::ErrWith;
  let result: Result< (), std ::io ::Error > = Err(std ::io ::Error ::other("an error occurred"));
  let report = "additional context";
  let got: Result< (), (&str, std ::io ::Error) > = result.err_with_report(&report);
  let exp: Result< (), (&str, std ::io ::Error) > = Err((
  "additional context",
  std ::io ::Error ::other("an error occurred"),
 ));
  assert_eq!(got.as_ref().unwrap_err().0, exp.as_ref().unwrap_err().0);
  assert!(got.is_err());
}