Function heim_runtime::fs::read_into

pub fn read_into<T, R, E>(path: T) -> impl Future<Output = Result<R, E>> where
    T: AsRef<Path> + Send + Unpin + 'static,
    R: FromStr<Err = E>,
    E: From<Error>, 

Read path file and try to parse it into a R type via std::str::FromStr.