gistfile1.txt

standard_error.rs:14:28: 14:35 error: cannot infer an appropriate lifetime for pattern due to conflicting requirements
standard_error.rs:14       StandardErrorWrapped(ref err) => err.description()
                                                ^~~~~~~
standard_error.rs:14:40: 14:43 note: first, the lifetime cannot outlive the expression at 14:39...
standard_error.rs:14       StandardErrorWrapped(ref err) => err.description()
                                                            ^~~
standard_error.rs:14:40: 14:43 note: ...so that pointer is not dereferenced outside its lifetime
standard_error.rs:14       StandardErrorWrapped(ref err) => err.description()
                                                            ^~~
standard_error.rs:12:5: 15:6 note: but, the lifetime must be valid for the match at 12:4...
standard_error.rs:12     match *self {
standard_error.rs:13       StandardErrorActual { description: description } => description,
standard_error.rs:14       StandardErrorWrapped(ref err) => err.description()
standard_error.rs:15     }
standard_error.rs:14:28: 14:35 note: ...so that variable is valid at time of its declaration
standard_error.rs:14       StandardErrorWrapped(ref err) => err.description()
                                                ^~~~~~~
error: aborting due to previous error

standard_error.rs

#![feature(struct_variant)]

use std::error::Error;

enum StandardError {
  StandardErrorActual { description: &'static str },
  StandardErrorWrapped(Box<Error+Send+'static>)
}

impl Error for StandardError {
  fn description(&self) -> &'static str {
    match *self {
      StandardErrorActual { description: description } => description,
      StandardErrorWrapped(ref err) => err.description()
    }
  }

  fn detail(&self) -> Option<String> {
    None
  }

  fn cause(&self) -> Option<&Error> {
    None
  }
}

fn main() {
}