49 lines
1.2 KiB
GDScript3
49 lines
1.2 KiB
GDScript3
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static func some_(
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predicate = null
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) -> Callable:
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var some = func(source : Observable) -> Observable:
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# """Partially applied operator.
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#
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# Determines whether some element of an observable sequence satisfies a
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# condition if present, else if some items are in the sequence.
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#
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# Example:
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# >>> var obs = some.call(source)
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#
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# Args:
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# predicate -- A function to test each element for a condition.
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#
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# Returns:
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# An observable sequence containing a single element
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# determining whether some elements in the source sequence
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# pass the test in the specified predicate if given, else if
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# some items are in the sequence.
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# """
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var subscribe = func(
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observer : ObserverBase,
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scheduler : SchedulerBase = null
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) -> DisposableBase:
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var on_next = func(__):
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observer.on_next(true)
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observer.on_completed()
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var on_error = func():
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observer.on_next(false)
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observer.on_completed()
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return source.subscribe(
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on_next, observer.on_error, on_error,
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scheduler
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)
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if predicate != null:
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var predicate_ : Callable = predicate
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return source.pipe2(
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GDRx.op.filter(predicate_),
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some_()
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)
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return Observable.new(subscribe)
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return some
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