namespace InnovEnergy.App.EmuMeterDriver;

public static class Utils
{
    public static IEnumerable<T> TryWhere<T>(this IEnumerable<T> src, Func<T, Boolean> predicate)
    {
        foreach (var e in src)
        {
            var ok = false;
            
            try
            {
                ok = predicate(e);
            }
            catch
            {
                // ignored
            }

            if (ok)
                yield return e;
        }
    }
    
    public static IEnumerable<R> TrySelect<T,R>(this IEnumerable<T> src, Func<T, R> map)
    {
        foreach (var e in src)
        {
            var ok = false;
            var result = default(R);
            
            try
            {
                result = map(e);
                ok = true;
            }
            catch
            {
                // ignored
            }

            if (ok)
                yield return result!;
        }
    }
    


}