From: Georg Brandl Date: Fri, 29 Oct 2010 08:53:55 +0000 (+0000) Subject: Add version note about set literals. X-Git-Tag: v2.7.1rc1~102 X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=853faae95402857fa42b1d47cbb99fc2414f039f;p=python Add version note about set literals. --- 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: