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

Joao S. O. Bueno jsbueno at python.org.br
Tue Sep 10 22:38:26 CEST 2013

On 10 September 2013 16:08, Paul Moore <p.f.moore at gmail.com> wrote:
> If you provide "retain the last", I can't see any obvious way of
> implementing "retain the first" in application code without in effect
> reimplementing the class.

Which reminds one - this class should obviously have a method for
retrivieng the original key value, given a matching key -

d.canonical('foo') -> 'Foo'

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