Convert an integer to a byte array

Question

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

err = a.Wr         


        

Answer 1

Adding this option for dealing with basic uint8 to byte[] conversion

foo := 255 // 1 - 255
ufoo := uint16(foo) 
far := []byte{0,0}
binary.LittleEndian.PutUint16(far, ufoo)
bar := int(far[0]) // back to int
fmt.Println("foo, far, bar : ",foo,far,bar)

output : foo, far, bar : 255 [255 0] 255