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