@rimbu/stream@rimbu/stream/customPrependIterator<T>On this pageclass PrependIterator<T>undocumentedExtends: FastIteratorBase<T>Type parametersNameDescriptionTundocumentedPropertiesitemundocumentedDefinitionreadonly item: OptLazy<T>;prependDoneundocumentedDefinitionprependDone: boolean;sourceundocumentedDefinitionreadonly source: FastIterator<T>;MethodsfastNextundocumentedDefinitionfastNext<O>(otherwise?: OptLazy<O>): T | O;Type parametersNameDescriptionOParametersNameTypeDescriptionotherwiseOptLazy<O>OverridesFastIteratorBase.fastNextnextundocumentedDefinitionnext(): IteratorResult<T>;OverridesFastIteratorBase.next