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Implement PEP 380 - 'yield from' (closes #11682)

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Nick Coghlan 2012-01-13 21:43:40 +10:00
parent e51757f6de
commit 1f7ce62bd6
33 changed files with 872 additions and 421 deletions
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7
Doc/library/dis.rst
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@ -431,6 +431,13 @@ the stack so that it is available for further iterations of the loop.
Pops ``TOS`` and yields it from a :term:`generator`.
.. opcode:: YIELD_FROM
Pops ``TOS`` and delegates to it as a subiterator from a :term:`generator`.
.. versionadded:: 3.3
.. opcode:: IMPORT_STAR
Loads all symbols not starting with ``'_'`` directly from the module TOS to the

11
Doc/library/exceptions.rst
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@ -250,7 +250,16 @@ The following exceptions are the exceptions that are usually raised.
.. exception:: StopIteration
Raised by built-in function :func:`next` and an :term:`iterator`\'s
:meth:`__next__` method to signal that there are no further values.
:meth:`__next__` method to signal that there are no further items to be
produced by the iterator.
The exception object has a single attribute :attr:`value`, which is
given as an argument when constructing the exception, and defaults
to :const:`None`.
When a generator function returns, a new :exc:`StopIteration` instance is
raised, and the value returned by the function is used as the
:attr:`value` parameter to the constructor of the exception.
.. exception:: SyntaxError