visionmedia/dox — pull request #105 by heff (2013-08-15 23:42:59+00:00)
Title: Added an `optional` flag to a parameter tag. fixes #81

If a parameter is optional, tag.optional will equal true.

There are three different way to set a parameter is optional (that I know of).

- JSDoc: `{Type} [name]`
- Google: `{Type=} name`
- TypeScript: `{Type?} name`