pub trait OptionAccessor {
// Required methods
fn by_short_flag(&self, flag: char) -> Option<&Opt>;
fn by_long_flag(&self, flag: &str) -> Option<&Opt>;
}
pub trait OptionAccessor {
// Required methods
fn by_short_flag(&self, flag: char) -> Option<&Opt>;
fn by_long_flag(&self, flag: &str) -> Option<&Opt>;
}