Fix linter warnings

[rbdr/lyricli] / Sources / arguments_source.swift

/// Source that deals with command line
class ArgumentsSource: Source {
    public var currentTrack: Track? {
        if CommandLine.arguments.count >= 3 {

            // expected usage: $ ./lyricli <artist> <name>

            let trackName: String = CommandLine.arguments[2]
            let trackArtist: String = CommandLine.arguments[1]

            return Track(withName: trackName, andArtist: trackArtist)
        }
        return nil
    }
}