singleWhere method

  1. @override
AsObservableFuture<CommandResult<TRESULT>> singleWhere (bool test(T element), { CommandResult<TRESULT> orElse() })

Finds the single element in this stream matching test.

Like lastWhere, except that it is an error if more than one matching element occurs in the stream.

Implementation

@override
AsObservableFuture<T> singleWhere(bool test(T element), {T orElse()}) =>
    new AsObservableFuture<T>(stream.singleWhere(test, orElse: orElse));