[Python-Dev] Add a "transformdict" to collections

[Richard Oudkerk]

On 10/09/2013 10:28am, Antoine Pitrou wrote:
> Therefore I propose adding the general pattern. Simple example:
>
>     >>> d = transformdict(str.lower)
>     >>> d['Foo'] = 5
>     >>> d['foo']
>     5
>     >>> d['FOO']
>     5
>     >>> list(d)
>     ['Foo']

I guess another example is creating an "identity dict" (see 
http://code.activestate.com/lists/python-ideas/7161/) by doing

     d = transformdict(id)

-- 
Richard