What did I do wrong?

Getting Help Code Review
1

https://play.golang.org/p/mdwSR7TwyYL

2

You are missing a quotation mark (") in your fmt.Println on line 14.

3

@flexd is fully right here.
In the line 14 you should have fmt.Printf("%T",x) and after that it should work.

4

Thanks you guys! Appreciate the help