private void EnsureAllAthleteIdsLoaded() { if (allAthletesIds != null) { return; } allAthletesIds = new HashSet <string>(dataFolder.GetFiles().Where(IsAthleteFileName).Select(ExtractAthleteId)); }
private void EnsureAllAthleteIdsLoaded() { if (allAthletesIds != null) { return; } allAthletesIds = new HashSet <string>(dataFolder.GetFiles().Where(IsAthleteFileName).Select(ExtractAthleteId)); }