| tuple | The abstract class for FSet functional tuples. It is a structure class. | 
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| contents | |
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| descriptor | 
| compare | Returns one of :less,:greater,:equal, or:unequalaccording asxis less than, greate... | 
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| convert | Converts the collection to the specified type.  Some methods may take additional keyword argument... | 
| internal-do-tuple | Calls elt-fnon successive pairs of the tuple (as two arguments); when done,calls value-fno... | 
| lookup | If collectionis a map, returns the value to whichkeyis mapped.If collectionis a seq, t... | 
| tuple-merge | Returns a new tuple containing all the keys of tuple1andtuple2,where the value for each ke... | 
| with | On a set, adds value1to it, returning the updated set.  On a bag, addsvalue2occurrences of... |