forked from extern/nushell
Alters `all`, `any`, `each while`, `each`, `insert`, `par-each`, `reduce`, `update`, `upsert` and `where`, so that their blocks take an optional parameter containing the index.
Alters `all`, `any`, `each while`, `each`, `insert`, `par-each`, `reduce`, `update`, `upsert` and `where`, so that their blocks take an optional parameter containing the index.