some-to-err 0.0.1

A trait that provides a method for converting an Option into a Result by treating Some values as Err and None values as Ok.
Documentation

Some To Err

A single trait crate that provides a method for converting an Option into a Result by treating Some values as Err and None values as Ok.

Usage

Add this to your crate by:

cargo add some-to-err

Or add this to your Cargo.toml:

[dependencies]
some-to-err = "0.0.1"

and then:

use some_to_err::SomeToErr;

{
    let some: Option<&str> = Some("Error");
    let result = some.some_to_err(42);
    assert_eq!(result, Err("Error"));
}

{
    let none: Option<&str> = None;
    let result = none.some_to_err(42);
    assert_eq!(result, Ok(42));
}

License