Go string Stitching __go

Go string concatenation for string: direct = = for stitching

var s string 
str: = "123"
str = "123123"
str = "Qwerqwe"

1 2 3 4 use sprintf

var s string = "12312SF"
s = fmt. Sprintf ("%s%s", S, "123123")

1 2 for []string use strings. Join for Stitching

S: = "1231"
strings. Join ([]string{s, "Ewrwer"}, "")

1 2 Use []string and slice append properties for stitching

var s []string
s = append (S, "123123")
strings. Join (S, "")

1 2 3 Use bytes. Buffer

var buf bytes. Buffer
buf. WriteString ("12312")
buf. WriteString ("Werwer")
buf. String ()

1 2 3 4

The writestring () parameter must be a string, not a byte

B.writestring (String (S[len (s) -1-i])
b.writestring (S[len (s) -1-i,len (s)-i)