clientv3: document "WithBlock" dial option
@@ -68,6 +68,8 @@ type Config struct {
RejectOldCluster bool `json:"reject-old-cluster"`
// DialOptions is a list of dial options for the grpc client (e.g., for interceptors).
+ // For example, pass "grpc.WithBlock()" to block until the underlying connection is up.
+ // Without this, Dial returns immediately and connecting the server happens in background.
DialOptions []grpc.DialOption
// Context is the default client context; it can be used to cancel grpc dial out and
