@rimbu/stream@rimbu/stream/customUnfoldIterator<T>On this pageclass UnfoldIterator<T>undocumentedExtends: FastIteratorBase<T>Type parametersNameDescriptionTundocumentedPropertiescurrentundocumentedDefinitioncurrent: T | Token;getNextundocumentedDefinitionreadonly getNext: (current: T, index: number, stop: Token) => T | Token;indexundocumentedDefinitionindex: number;MethodsfastNextundocumentedDefinitionfastNext<O>(otherwise?: OptLazy<O>): T | O;Type parametersNameDescriptionOParametersNameTypeDescriptionotherwiseOptLazy<O>OverridesFastIteratorBase.fastNextnextReturns the next IteratorResult.Definitionnext(): IteratorResult<T>;OverridesFastIterator.next, FastIteratorBase.next