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all: use bytes.Cut, strings.Cut

Browse source 
Many uses of Index/IndexByte/IndexRune/Split/SplitN
can be written more clearly using the new Cut functions.
Do that. Also rewrite to other functions if that's clearer.

For #46336.

Change-Id: I68d024716ace41a57a8bf74455c62279bde0f448
Reviewed-on: https://go-review.googlesource.com/c/go/+/351711
Trust: Russ Cox <rsc@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Russ Cox 2021-09-22 10:46:32 -04:00
parent 3ada52a07f
commit b5419a1985
2 changed files with 11 additions and 12 deletions
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10
handshake_client_test.go
View file

@ -97,18 +97,18 @@ func (o *opensslOutputSink) Write(data []byte) (n int, err error) {
o.all = append(o.all, data...)
for {
i := bytes.IndexByte(o.line, '\n')
if i < 0 {
line, next, ok := bytes.Cut(o.line, []byte("\n"))
if !ok {
break
}
if bytes.Equal([]byte(opensslEndOfHandshake), o.line[:i]) {
if bytes.Equal([]byte(opensslEndOfHandshake), line) {
o.handshakeComplete <- struct{}{}
}
if bytes.Equal([]byte(opensslReadKeyUpdate), o.line[:i]) {
if bytes.Equal([]byte(opensslReadKeyUpdate), line) {
o.readKeyUpdate <- struct{}{}
}
o.line = o.line[i+1:]
o.line = next
}
return len(data), nil