go - Convert an integer to a byte array

Question

I have a function which receives a []byte but what I have is an int, what is the best way to go about this conversion ?

err = a.Write([]byte(myInt))

I guess I could go the long way and get it into a string and put that into bytes, but it sounds ugly and I guess there are better ways to do it.

Answer 1

Waitting for answers