Single<T>.safe constructor
@internal DO NOT USE this constructor.
Implementation
@internal
Single.safe(Stream<T> source)
: _stream = source,
assert(source is! Single<T>),
super(source);
@internal DO NOT USE this constructor.
@internal
Single.safe(Stream<T> source)
: _stream = source,
assert(source is! Single<T>),
super(source);