enumerate for filters

Enumerate the elements in a stream.

Signature

> enumerate

Input/output types:

input	output
any	table

Examples

Add an index to each element of a list

> [a, b, c] | enumerate
╭───┬──────╮
│ # │ item │
├───┼──────┤
│ 0 │ a    │
│ 1 │ b    │
│ 2 │ c    │
╰───┴──────╯