net: remove unused func appendHex

It's unused since CL 463987.

Change-Id: Ic28fd3b4a613cd7b43f817118841d40e3005a5fc
Reviewed-on: https://go-review.googlesource.com/c/go/+/522135
Auto-Submit: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Damien Neil <dneil@google.com>

diff --git a/src/net/parse.go b/src/net/parse.go
index fbc50144c2f6cac062b962a8c084fa201a36675d..22c6123243d2ff753b4afb67d51b9d81fa46baab 100644 (file)
--- a/src/net/parse.go
+++ b/src/net/parse.go
@@ -180,20 +180,6 @@ func xtoi2(s string, e byte) (byte, bool) {
        return byte(n), ok && ei == 2
 }
 
-// Convert i to a hexadecimal string. Leading zeros are not printed.
-func appendHex(dst []byte, i uint32) []byte {
-       if i == 0 {
-               return append(dst, '0')
-       }
-       for j := 7; j >= 0; j-- {
-               v := i >> uint(j*4)
-               if v > 0 {
-                       dst = append(dst, hexDigit[v&0xf])
-               }
-       }
-       return dst
-}
-
 // Number of occurrences of b in s.
 func count(s string, b byte) int {
        n := 0