## Generic-function: SB-SEQUENCE:ITERATOR-COPY
[![package](https://img.shields.io/badge/Package-SB--SEQUENCE-5f9ea0.svg?style=social&colorA=999999)](../) [![type](https://img.shields.io/badge/Type-Generic--Function-5f9ea0.svg?style=social&colorA=999999)](../#generic-function) 

> Returns a copy of ITERATOR which also traverses SEQUENCE but can
> be mutated independently of ITERATOR.

### Lambda list
```cl
(sequence sb-impl::iterator)
```