Clarify surjectivity, for diversity's sake (not the mailing-list, though)

2013-09-14 03:37:52 +02:00 · 2013-09-14 03:37:52 +02:00 · 409b8134ad
parent 0aedc93c61
commit 409b8134ad
1 changed files with 2 additions and 1 deletions
--- a/pep-0455.txt
+++ b/pep-0455.txt
@ -53,7 +53,8 @@ and other dict-like classes in the standard library.  Therefore, this PEP
 won't rehash the semantics of most TransformDict methods.

 The transformation function needn't be bijective, it can be strictly
-surjective as in the case-insensitive example::
+surjective as in the case-insensitive example (in other words, different
+keys can lookup the same value)::

   >>> d = TransformDict(str.casefold)
   >>> d['SomeKey'] = 5