Struct clap::Error [−][src]
Expand description
Command Line Argument Parser Error
Fields
kind: ErrorKind
The type of error
info: Vec<String>
Additional information depending on the error kind, like values and argument names. Useful when you want to render an error of your own.
Implementations
Should the message be written to stdout
or not
Prints the error and exits. Depending on the error kind, this
either prints to stderr
and exits with a status of 1
or prints to stdout
and exits with a status of 0
.
Prints formatted and colored error to stdout
or stderr
according to its error kind
Example
use clap::App; match App::new("App").try_get_matches() { Ok(matches) => { // do_something }, Err(err) => { err.print().expect("Error writing Error"); // do_something }, };
Create an error with a custom description.
This can be used in combination with Error::exit
to exit your program
with a custom error message.