pub fn win_pct(
wins: Result<CountingStat, OmittedStatError>,
losses: Result<CountingStat, OmittedStatError>,
) -> ThreeDecimalPlaceRateStatpub fn win_pct(
wins: Result<CountingStat, OmittedStatError>,
losses: Result<CountingStat, OmittedStatError>,
) -> ThreeDecimalPlaceRateStat