## 3.9 Tuple

A tuple is a compound data type with a fixed number of terms:

{Term1,...,TermN}

Each term Term in the tuple is called an element. The number of elements is said to be the size of the tuple.

There exists a number of BIFs to manipulate tuples.

Examples:

1> P = {adam,24,{july,29}}.{adam,24,{july,29}}2> element(1,P).adam3> element(3,P).{july,29}4> P2 = setelement(2,P,25).{adam,25,{july,29}}5> tuple_size(P).36> tuple_size({}).0