Crate shaddup

shaddup!

This library prevents your program from printing to stdout and stderr by using platform-specific utilities to redirect them to /dev/null (or equivalent).

By default, this will cause a compile-error if the platform is not supported, because we don’t know how to perform the redirection. If you’d like the library to be a no-op in these cases, use the allow_unsupported feature.

If you want to make this library be a no-op even if the platform is supported (for example, for debugging), add the no_op feature: this turns the entire library into a no-op.

Usage

use shaddup::run_quietly;

let result = run_quietly(|| {
    println!("This will not be printed");
    eprintln!("This will also not be printed");
    123
});
assert_eq!(result.unwrap(), 123);

Features

• no_op: turns the entire library into a no-op.
• allow_unsupported: turns the library into a no-op if the platform is supported (otherwise, the library will cause a compile-error).

See also

gag is another library that implements this functionality. It uses a different API, based on guards rather than closures. It supports Unix and Windows.

Re-exports

pub use error::Error;

pub use opts::*;

Modules

error

Errors

opts

Functions

run_quietly

Run the given function, preventing it from printing to stdout and stderr.

run_quietly_with_opts

Run the given function, preventing it from printing to descriptors. You can customize which ones.