Submission for review

[squintview]

Please review .
Thanks

• Nirmal

/cc @nesquena @timothy1ee

[timothy1ee]

Great, good job! Saw you played with using enums, that's good. Note that enums are normally defined outside the @interface block.

Let us know if you have any questions.

[squintview]

Thanks for the review. I moved the enum defs out.