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testing/protocmp: surface comment about unused Transform options

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Change-Id: I83bdb0f3f937f745b5758c282e1bd58203a8c784
Reviewed-on: https://go-review.googlesource.com/c/protobuf/+/237221
Reviewed-by: Damien Neil <dneil@google.com>
This commit is contained in:
Joe Tsai 2020-06-10 12:18:54 -07:00
parent 7e8b902d03
commit 596bfbf068
1 changed files with 3 additions and 3 deletions
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6
testing/protocmp/xform.go
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@ -157,10 +157,10 @@ type option struct{}
// This does not directly transform higher-order composite Go types.
// For example, []*foopb.Message is not transformed into []Message,
// but rather the individual message elements of the slice are transformed.
//
// Note that there are currently no custom options for Transform,
// but the use of an unexported type keeps the future open.
func Transform(...option) cmp.Option {
// NOTE: There are currently no custom options for Transform,
// but the use of an unexported type keeps the future open.
// addrType returns a pointer to t if t isn't a pointer or interface.
addrType := func(t reflect.Type) reflect.Type {
if k := t.Kind(); k == reflect.Interface || k == reflect.Ptr {