4 #include <ItemKeyFun.h>
6 typedef struct TupleSchema TupleSchema;
9 * A Tuple is a "self typed" array of elements.
16 extern ItemKeyFun *Tuple_elementType(Tuple *t,unsigned long index);
19 * Create a tuples with given values.
21 * \related TupleSchema
23 extern Tuple *Tuple_create(int arity,...);
26 * \brief Create a tuples as a clone of a given tuple
28 * \related TupleSchema
30 extern Tuple *Tuple_clone(int arity,Tuple *t);