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use structopt::StructOpt; #[derive(StructOpt)] pub struct Opt { #[structopt(short, default_value = "72")] pub beats_per_minute: u32, #[structopt(short = "a", default_value = "4")] pub beats_per_bar: u8, } pub fn is_bpm_valid(opt: &Opt, minimum: u32, maximum: u32) -> bool { opt.beats_per_minute >= minimum && opt.beats_per_minute <= maximum } pub fn is_bpb_valid(opt: &Opt, minimum: u8, maximum: u8) -> bool { opt.beats_per_bar >= minimum && opt.beats_per_bar <= maximum }