/// <summary> /// Qualifier by <paramref name="keyMatch"/>. /// /// If <see cref="ILinePatternMatch.Success"/> is false then return false. /// /// The whole <paramref name="keyMatch"/> is matched against every qualifier, if one disqualifies then returns false. /// </summary> /// <param name="qualifier"></param> /// <param name="keyMatch">(optional) </param> /// <returns>true if line is qualified, false if disqualified</returns> public static bool Qualify(this ILineQualifier qualifier, ILinePatternMatch keyMatch) => keyMatch != null && keyMatch.Success && qualifier.Qualify(keyMatch.ToLine());
