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pkg/storage: make Watch returns receive only channel (#1211)

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So the caller can not write to the channel, and insist that the channel
is for notifying only.
This commit is contained in:
Cuong Manh Le 2020-08-05 23:49:28 +07:00 • committed by GitHub
parent f4cb5ea6e9
commit ec52412d79
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4 changed files with 5 additions and 5 deletions
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pkg/storage/storage.go
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@ -33,5 +33,5 @@ type Backend interface {
// Watch returns a channel to the caller. The channel is used to notify
// about changes that happen in storage. When ctx is finished, Watch will close
// the channel.
Watch(ctx context.Context) chan struct{}
Watch(ctx context.Context) <-chan struct{}
}