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getopts: format failure messages with Show.

This obsoletes the old `to_err_msg` method. Replace

    println!("Error: {}", failure.to_err_msg())

    let string = failure.to_err_msg();

with

    println!("Error: {}", failure)

    let string = failure.to_str();

[breaking-change]
This commit is contained in:
Huon Wilson 2014-06-14 11:11:09 +10:00
parent 3851d68a27
commit 0642cbbde0
7 changed files with 28 additions and 21 deletions

View file

@ -148,7 +148,7 @@ pub fn main_args(args: &[String]) -> int {
let matches = match getopts::getopts(args.tail(), opts().as_slice()) {
Ok(m) => m,
Err(err) => {
println!("{}", err.to_err_msg());
println!("{}", err);
return 1;
}
};