FStream<T>.ofFuture constructor
The constructor resolves the first item and then passes it in the after
stream, while
also setting it as _first
Implementation
FStream.ofFuture(this._firstFuture, Stream<T> after, [this.debugName])
: after = streamOfNullableFuture<T>(_firstFuture).followedBy(after) {
_firstFuture.then((resolved) {
_isResolved = true;
_first = resolved;
});
}