Method DefaultIfEmpty

observable.go:33–33

(defaultValue interface{}, opts ...Option)

	Count(opts ...Option) Single
	Debounce(timespan Duration, opts ...Option) Observable
	DefaultIfEmpty(defaultValue interface{}, opts ...Option) Observable
	Distinct(apply Func, opts ...Option) Observable
	DistinctUntilChanged(apply Func, opts ...Option) Observable
	DoOnCompleted(completedFunc CompletedFunc, opts ...Option) Disposed