[Python-checkins] r45903 - peps/trunk/pep-3100.txt

[guido.van.rossum]

Author: guido.van.rossum
Date: Thu May  4 20:15:10 2006
New Revision: 45903

Modified:
   peps/trunk/pep-3100.txt
Log:
Third time trying to commit the new pronouncement about set literals. :-(
Also mention removing __mod__ and __divmod__ from float.


Modified: peps/trunk/pep-3100.txt
==============================================================================
--- peps/trunk/pep-3100.txt	(original)
+++ peps/trunk/pep-3100.txt	Thu May  4 20:15:10 2006
@@ -104,12 +104,12 @@
   and semantics is evil.
 * Attributes on functions of the form ``func_whatever`` will be renamed
   ``__whatever__`` [25]_
-* Set literals and comprehensions [27]_
-  {/} means set(); {x} means set([x]); {x, y} means set([x, y]).
+* Set literals and comprehensions [27]_ [28]_
+  {x} means set([x]); {x, y} means set([x, y]).
   {F(x) for x in S if P(x)} means set(F(x) for x in S if P(x)).
   NB. {range(x)} means set([range(x)]), NOT set(range(x)).
+  There's no literal for an empty set; use set() (or {1}&{2} :-).
   There's no frozenset literal; they are too rarely needed.
-  The {/} part is still controversial.
 
 To be removed:
 
@@ -117,6 +117,7 @@
 * ``raise Exception, "message"``: use ``raise Exception("message")`` [14]_
 * ```x```: use ``repr(x)`` [2]_
 * The ``<>`` operator: use ``!=`` instead [3]_
+* The __mod__ and __divmod__ special methods on float. [29]_
 * Unbound methods [7]_
 * METH_OLDARGS, WITH_CYCLE_GC
 * __getslice__, __setslice__, __delslice__ [17]_
@@ -317,6 +318,12 @@
 .. [27] python-3000 email ("sets in P3K?")
    http://mail.python.org/pipermail/python-3000/2006-April/001286.html
 
+   [28] python-3000 email ("sets in P3K?")
+   http://mail.python.org/pipermail/python-3000/2006-May/001666.html
+
+   [29] python-3000 email ("bug in modulus?")
+   http://mail.python.org/pipermail/python-3000/2006-May/001735.html
+
 .. [#pep238] PEP 238 (Changing the Division Operator)
    http://www.python.org/dev/peps/pep-0238