func withRetryPolicy(rp retryPolicy) retryOption {
	return retryOption{applyFunc: func(o *options) {
		o.retryPolicy = rp
	}}
}
func withRetryPolicy(rp retryPolicy) retryOption {
	return retryOption{applyFunc: func(o *options) {
		o.retryPolicy = rp
	}}
}
func withRetryPolicy ( rp retryPolicy ) retryOption { return retryOption { applyFunc : func ( o * options ) { o . retryPolicy = rp } } }
// withRetryPolicy sets the retry policy of this call.
withRetryPolicy sets the retry policy of this call .