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Tuples [HB 9]
New features:
-
The empty tuple <> is now allowed. Similarly, the empty
cartesian product car<> is now allowed.
-
New tuple constructor <expr(x): x in ... | condition(x)>
as for sequences and sets, so one may build variable-length tuples
with ease.
-
One may now loop over the entries of a tuple T by
for x in T do ..., etc.