165         Ok(expanded) => expanded,  in paste()
187     let mut expanded = TokenStream::new();  in expand()  localVariable
200                 expanded.extend(group.stream());  in expand()
203                 expanded.extend(iter::once(TokenTree::Group(group)));  in expand()
215                     expanded.extend(tokens);  in expand()
221                     expanded.extend(content);  in expand()
244                         expanded.extend(iter::once(TokenTree::Group(group)));  in expand()
246                         expanded.extend(group.stream());  in expand()
262                 expanded.extend(iter::once(TokenTree::Punct(punct)));  in expand()
266                 expanded.extend(iter::once(other));  in expand()
268             None => return Ok(expanded),  in expand()