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unicode/utf8: use builtin max function to simplify code 

Change-Id: I6a73b645d074baaa4d09480bdf4192816a8c2450
GitHub-Last-Rev: 202d498eb0
GitHub-Pull-Request: golang/go#71945
Reviewed-on: https://go-review.googlesource.com/c/go/+/652177
Auto-Submit: Keith Randall <khr@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
This commit is contained in:
Jes Cok 2025-02-25 14:10:00 +00:00 committed by Gopher Robot
parent c441eecbe9
commit 1e92ff11f5
1 changed files with 2 additions and 8 deletions
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10
src/unicode/utf8/utf8.go
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@ -263,10 +263,7 @@ func DecodeLastRune(p []byte) (r rune, size int) {
// guard against O(n^2) behavior when traversing
// backwards through strings with long sequences of
// invalid UTF-8.
lim := end - UTFMax
if lim < 0 {
lim = 0
}
lim := max(end - UTFMax, 0)
for start--; start >= lim; start-- {
if RuneStart(p[start]) {
break
@ -303,10 +300,7 @@ func DecodeLastRuneInString(s string) (r rune, size int) {
// guard against O(n^2) behavior when traversing
// backwards through strings with long sequences of
// invalid UTF-8.
lim := end - UTFMax
if lim < 0 {
lim = 0
}
lim := max(end - UTFMax, 0)
for start--; start >= lim; start-- {
if RuneStart(s[start]) {
break