go/doc/comment: use slices.BinarySearch

Change-Id: Ifb28dd08faa59d9186a4a2337aab0c536d9a885e

Change-Id: Ifb28dd08faa59d9186a4a2337aab0c536d9a885e
GitHub-Last-Rev: dba95de
GitHub-Pull-Request: #62610
Reviewed-on: https://go-review.googlesource.com/c/go/+/527956
LUCI-TryBot-Result: Go LUCI <[email protected]>
Reviewed-by: Ian Lance Taylor <[email protected]>
Auto-Submit: Ian Lance Taylor <[email protected]>
Reviewed-by: Robert Griesemer <[email protected]>

Author: qiulaidongfeng

src/go/doc/comment/parse.go

@@ -5,7 +5,7 @@
 package comment
 
 import (
-	"sort"
+	"slices"
 	"strings"
 	"unicode"
 	"unicode/utf8"
@@ -260,9 +260,8 @@ func (d *parseDoc) lookupPkg(pkg string) (importPath string, ok bool) {
 }
 
 func isStdPkg(path string) bool {
-	// TODO: Use slices.BinarySearch when possible.
-	i := sort.Search(len(stdPkgs), func(i int) bool { return stdPkgs[i] >= path })
-	return i < len(stdPkgs) && stdPkgs[i] == path
+	_, ok := slices.BinarySearch(stdPkgs, path)
+	return ok
 }
 
 // DefaultLookupPackage is the default package lookup