code: public static Func1<Iterable<Float>, float[]> toFloats() {
          return new Func1<Iterable<Float>, float[]>() {
              @Override
              public float[] call(Iterable<Float> value) {
                  return new QuickNumberArray(value).toFloats();
              }
          };
      }
docs: Returns a method that can be used with {@link solid.stream.Stream#collect(Func1)}
  to convert an iterable stream of {@link Number} type into a primitive float[] array.
  
  @return a method that converts an iterable stream of {@link Number} type into a primitive float[] array.