!***< def
!define rg (|''colour''|
|green|
|red|
)
!define yb (|''colour''|
|yellow|
|blue|
)
!define listOfLists (|${yb}|
|${rg}|
)
**!
 * A set is expressed as a nested table
 * A set of sets is expressed as a doubly-nested table
!|fitlibraryGeneric.specify.collections.GenericCollections|

|''checks''|
 * Set<Colour>
|''a set''|${rg}|
 * Set<Set<Colour>>
|''a set of sets''|${listOfLists}|
 * Note: Checking nested sets is not handled correctly, in general, at the moment