30 lines
743 B
GDScript3
30 lines
743 B
GDScript3
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extends IterableBase
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class_name WhileIterable
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## Represents an infinite or finite sequence which is terminated when a
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## condition is not met anymore.
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var _it : IterableBase
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var _cond : Callable
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func _init(it : IterableBase, cond : Callable = GDRx.basic.default_condition):
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self._it = it
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self._cond = cond
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class _Iterator extends Iterator:
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var _itit : Iterator
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var _itcond : Callable
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func _init(it : Iterator, cond : Callable):
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self._itit = it
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self._itcond = cond
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func has_next() -> bool:
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return self._itit.has_next() and self._itcond.call()
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func next() -> Variant:
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return ItEnd.new() if not self._itcond.call() else self._itit.next()
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func iter() -> Iterator:
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return self._Iterator.new(self._it.iter(), self._cond)
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