public static TryAsync <T> bifilter <T>(TryAsync <T> self, Func <T, bool> Succ, Func <Exception, bool> Fail) => self.BiFilter(Succ, Fail);
public static TryAsync <T> bifilter <T>(TryAsync <T> self, Func <T, bool> Succ, Func <Exception, bool> Fail) => self.BiFilter(Succ, Fail);