Expand Up @@ -168,6 +168,11 @@ called "displays", each of them in two flavors: * they are computed via a set of looping and filtering instructions, called a :dfn:`comprehension`.
A comprehension-based display is functionally equivalent to a `generator expression`__ whose output sequence is passed to the constructor of the corresponding type.
__ genexpr_
Common syntax elements for comprehensions are:
.. productionlist:: Expand Down Expand Up @@ -327,11 +332,11 @@ Generator expressions A generator expression is a compact generator notation in parentheses:
.. productionlist:: generator_expression: "(" `expression` `comp_for` ")" generator_expression: "(" `comprehension` ")"
A generator expression yields a new generator object. Its syntax is the same as for comprehensions, except that it is enclosed in parentheses instead of brackets or curly braces. A generator expression yields a new generator object. The syntax in the parentheses is called a :dfn:`comprehension` and is described in `comprehensions`_.
Variables used in the generator expression are evaluated lazily when the :meth:`~generator.__next__` method is called for the generator object (in the same Expand Down