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Add an item about the extension to {}.update() to allow generic

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mapping objects as an argument.
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Barry Warsaw 2001-06-26 20:12:50 +00:00
parent 41775385df
commit 51acc8d363
1 changed files with 5 additions and 0 deletions
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Misc/NEWS
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@ -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