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author | Georg Brandl <georg@python.org> | 2010-10-29 08:53:55 +0000 |
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committer | Georg Brandl <georg@python.org> | 2010-10-29 08:53:55 +0000 |
commit | 853faae95402857fa42b1d47cbb99fc2414f039f (patch) | |
tree | 1e1708e8d4e994d13b76c8dac21504221e3ebdf3 | |
parent | 4263ad8d37d4d54f45027e0c92d60878ff76bd05 (diff) | |
download | cpython-git-853faae95402857fa42b1d47cbb99fc2414f039f.tar.gz |
Add version note about set literals.
-rw-r--r-- | Doc/library/stdtypes.rst | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/Doc/library/stdtypes.rst b/Doc/library/stdtypes.rst index 8dc36bc900..5c47e9bb58 100644 --- a/Doc/library/stdtypes.rst +++ b/Doc/library/stdtypes.rst @@ -1672,13 +1672,13 @@ There are currently two built-in set types, :class:`set` and :class:`frozenset`. The :class:`set` type is mutable --- the contents can be changed using methods like :meth:`add` and :meth:`remove`. Since it is mutable, it has no hash value and cannot be used as either a dictionary key or as an element of another set. -The :class:`frozenset` type is immutable and :term:`hashable` --- its contents cannot be -altered after it is created; it can therefore be used as a dictionary key or as -an element of another set. +The :class:`frozenset` type is immutable and :term:`hashable` --- its contents +cannot be altered after it is created; it can therefore be used as a dictionary +key or as an element of another set. -Non-empty sets (not frozensets) can be created by placing a comma-separated list -of elements within braces, for example: ``{'jack', 'sjoerd'}``, in addition to the -:class:`set` constructor. +As of Python 2.7, non-empty sets (not frozensets) can be created by placing a +comma-separated list of elements within braces, for example: ``{'jack', +'sjoerd'}``, in addition to the :class:`set` constructor. The constructors for both classes work the same: |