From 51acc8d3631d2da9fa61a62974dc5f448b854704 Mon Sep 17 00:00:00 2001 From: Barry Warsaw Date: Tue, 26 Jun 2001 20:12:50 +0000 Subject: [PATCH] Add an item about the extension to {}.update() to allow generic mapping objects as an argument. --- Misc/NEWS | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Misc/NEWS b/Misc/NEWS index 7ca09ddd34c..8cd6c4d7aa1 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -90,6 +90,11 @@ Core - Dictionary objects now support the "in" operator: "x in dict" means the same as dict.has_key(x). +- The update() method of dictionaries now accepts generic mapping + objects. Specifically the argument object must support the .keys() + and __getitem__() methods. This allows you to say, for example, + {}.update(UserDict()) + - Iterators were added; this is a generalized way of providing values to a for loop. See PEP 234. There's a new built-in function iter() to return an iterator. There's a new protocol to get the next value