making clear structural equivalency for tuples doc

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PavelVozenilek 2014-06-15 22:53:09 +02:00
commit 21423e5107

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@ -1385,8 +1385,8 @@ Tuples
A tuple type defines various named *fields* and an *order* of the fields. A tuple type defines various named *fields* and an *order* of the fields.
The constructor ``()`` can be used to construct tuples. The order of the The constructor ``()`` can be used to construct tuples. The order of the
fields in the constructor must match the order in the tuple's definition. fields in the constructor must match the order in the tuple's definition.
Different tuple-types are *equivalent* if they specify the same fields of Different tuple-types are *equivalent* if they specify fields of
the same type in the same order. the same type and of the same name in the same order.
The assignment operator for tuples copies each component. The notation The assignment operator for tuples copies each component. The notation
``t.field`` is used to access a tuple's field. Another notation is ``t.field`` is used to access a tuple's field. Another notation is