Author: Richard Plangger <planri...@gmail.com>
Branch:
Changeset: r85446:dea2cb868b71
Date: 2016-06-29 12:18 +0200
http://bitbucket.org/pypy/pypy/changeset/dea2cb868b71/
Log: enhance the documentation about sets in rpython (related to my
question on IRC)
diff --git a/rpython/doc/rpython.rst b/rpython/doc/rpython.rst
--- a/rpython/doc/rpython.rst
+++ b/rpython/doc/rpython.rst
@@ -135,6 +135,12 @@
hash functions and custom equality will not be honored.
Use ``rpython.rlib.objectmodel.r_dict`` for custom hash functions.
+**sets**
+
+ sets are not directly supported in RPython. Instead you should use a
+ plain dict and fill the values with None. Values in that dict
+ will not consume space.
+
**list comprehensions**
May be used to create allocated, initialized arrays.
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