Convert []string to []byte

Question

I am looking to convert a string array to a byte array in GO so I can write it down to a disk. What is an optimal solution to encode and decode a string array ([]string

Answer 1

to convert []string to []byte

var str = []string{"str1","str2"}
var x = []byte{}

for i:=0; i

to convert []byte to string

str := ""
var x = []byte{'c','a','t'}
for i := 0; i < len(x); i++ {
    str += string(x[i])
}