strings: document that order of pairs matters in NewReplacer
Update NewReplacer documentation to specify that in the case of
multiple matches at the same position, the matching old/new
pair that appears first in NewReplacer arguments takes precedence.
Fixes #32699
Change-Id: I9d0616d28e5cd8c9bfa301be201f2b0ebf361dff
Reviewed-on: https://go-review.googlesource.com/c/go/+/185099
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Rob Pike <r@golang.org>
diff --git a/src/strings/replace.go b/src/strings/replace.go
index ccab1fb..e28d428 100644
--- a/src/strings/replace.go
+++ b/src/strings/replace.go
@@ -25,7 +25,8 @@
// NewReplacer returns a new Replacer from a list of old, new string
// pairs. Replacements are performed in the order they appear in the
-// target string, without overlapping matches.
+// target string, without overlapping matches. The old string
+// comparisons are done in argument order.
//
// NewReplacer panics if given an odd number of arguments.
func NewReplacer(oldnew ...string) *Replacer {
