py_like

Function input_ok

Source 
pub fn input_ok<T: FromStr>() -> Result<T, Box<dyn Error>>
where
    <T as FromStr>::Err: Error + 'static,
Expand description

alice - users.rust-lang.org https://users.rust-lang.org/t/why-is-it-so-difficult-to-get-user-input-in-rust/27444/3