public static bool Test <FloatPredicate>(
     RefReadOnlyMatrix4x4 matrix, FloatPredicate match)
     where FloatPredicate : struct, IPredicate <float>
 => matrix.TrueForAll <float, RefReadOnlyMatrix4x4, FloatPredicate>(match);
 public static bool Test(RefReadOnlyMatrix4x4 matrix, Predicate <float> match)
 => matrix.TrueForAll(match);