fn parse(s: &'a str) -> Result<Command<'a>, Error> {
        let args: Vec<&str> = s.split(' ').filter(|x| !x.is_empty()).collect();

        if args.is_empty() {
            return Err(Error::Empty);
        }

        Ok(Command { args })
    }
/// Parse a command from a string `s` using `buf` as storage for the
/// arguments.
///
/// # Errors
///
/// If `s` contains no arguments, returns `Error::Empty`. If there are more
/// arguments than `buf` can hold, returns `Error::TooManyArgs`.
Parse a command from a string `s` using `buf` as storage for the
arguments.
Parse a command from a string ` s ` using ` buf ` as storage for the arguments .
fn parse(s: &'a str) -> Result<Command<'a>, Error> {
        let args: Vec<&str> = s.split(' ').filter(|x| !x.is_empty()).collect();
        if args.is_empty() {
            return Err(Error::Empty);
        }
        Ok(Command { args })
    }
fn parse ( s : & ' a str ) -> Result < Command < ' a > , Error > { let args : Vec < & str > = s . split ( ' ' ) . filter ( | x | ! x . is_empty ( ) ) . collect ( ) ; if args . is_empty ( ) { return Err ( Error :: Empty ) ; } Ok ( Command { args } ) }
Parse a command from a string `s` using `buf` as storage for the
arguments.
Parse a command from a string ` s ` using ` buf ` as storage for the arguments .
s
&'a str
errors
If `s` contains no arguments, returns `Error::Empty`. If there are more
arguments than `buf` can hold, returns `Error::TooManyArgs`.
If ` s ` contains no arguments returns ` Error :: Empty ` . If there are more arguments than ` buf ` can hold returns ` Error :: TooManyArgs ` .