fn parse_flags(args: &Args) -> (CommandFlags, String) {
    let mut errors = String::new();

    let mut flags = CommandFlags {
        channel: Channel::Nightly,
        mode: Mode::Debug,
        edition: Edition::E2018,
    };

    if let Some(channel) = args.params.get("channel") {
        match channel.parse() {
            Ok(c) => flags.channel = c,
            Err(e) => errors += &format!("{}\n", e),
        }
    }

    if let Some(mode) = args.params.get("mode") {
        match mode.parse() {
            Ok(m) => flags.mode = m,
            Err(e) => errors += &format!("{}\n", e),
        }
    }

    if let Some(edition) = args.params.get("edition") {
        match edition.parse() {
            Ok(e) => flags.edition = e,
            Err(e) => errors += &format!("{}\n", e),
        }
    }

    (flags, errors)
}
/// Returns the parsed flags and a String of parse errors. The parse error string will have a
/// trailing newline (except if empty)
Returns the parsed flags and a String of parse errors. The parse error string will have a
trailing newline (except if empty)
Returns the parsed flags and a String of parse errors . The parse error string will have a trailing newline ( except if empty )
fn parse_flags(args: &Args) -> (CommandFlags, String) {
    let mut errors = String::new();
    let mut flags = CommandFlags {
        channel: Channel::Nightly,
        mode: Mode::Debug,
        edition: Edition::E2018,
    };
    if let Some(channel) = args.params.get("channel") {
        match channel.parse() {
            Ok(c) => flags.channel = c,
            Err(e) => errors += &format!("{}\n", e),
        }
    }
    if let Some(mode) = args.params.get("mode") {
        match mode.parse() {
            Ok(m) => flags.mode = m,
            Err(e) => errors += &format!("{}\n", e),
        }
    }
    if let Some(edition) = args.params.get("edition") {
        match edition.parse() {
            Ok(e) => flags.edition = e,
            Err(e) => errors += &format!("{}\n", e),
        }
    }
    (flags, errors)
}
fn parse_flags ( args : & Args ) -> ( CommandFlags , String ) { let mut errors = String :: new ( ) ; let mut flags = CommandFlags { channel : Channel :: Nightly , mode : Mode :: Debug , edition : Edition :: E2018 , } ; if let Some ( channel ) = args . params . get ( " " ) { match channel . parse ( ) { Ok ( c ) => flags . channel = c , Err ( e ) => errors += & format ! ( " \n " e ) , } } if let Some ( mode ) = args . params . get ( " " ) { match mode . parse ( ) { Ok ( m ) => flags . mode = m , Err ( e ) => errors += & format ! ( " \n " e ) , } } if let Some ( edition ) = args . params . get ( " " ) { match edition . parse ( ) { Ok ( e ) => flags . edition = e , Err ( e ) => errors += & format ! ( " \n " e ) , } } ( flags , errors ) }
Returns the parsed flags and a String of parse errors.
Returns the parsed flags and a String of parse errors .
args
&Args
args
&Args