append

        # OptionParser::List.append

(from ruby core)
### Implementation from List
---
    append(*args)

---

Appends `switch` at the tail of the list, and associates short, long and
negated long options. Arguments are:

`switch`
:   OptionParser::Switch instance to be inserted.
`short_opts`
:   List of short style options.
`long_opts`
:   List of long style options.
`nolong_opts`
:   List of long style options with "no-" prefix.


    append(switch, short_opts, long_opts, nolong_opts)