prolog_parser::put_back_n
pub fn put_back_n<I>(iterable: I) -> PutBackN<I::IntoIter>ⓘImportant traits for PutBackN<I>impl<I: Iterator> Iterator for PutBackN<I> type Item = I::Item; where I: IntoIterator,
impl<I: Iterator> Iterator for PutBackN<I> type Item = I::Item;