[Python-3000] Discussions with no PEPs (original) (raw)
Barry Warsaw barry at python.org
Mon Mar 12 19🔞37 CET 2007
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On Mar 12, 2007, at 1:02 PM, Thomas Wouters wrote:
- Mixing interface-definition and implementation like that makes it hard for new programmers to pick up the difference. It will be harder to explain the difference between 'dict' and 'Mapping' when they are both in the list of bases. How can you tell one from the other?
I'm in agreement with everything Thomas said here, but I think this
is one of the most important points. If you're looking at a class
definition, it really should be plainly obvious what contributions to
implementation and what contributes to interface declarations,
without having to traipse through a bunch of documentation or source
code. I think separating implementation and interface declarations
aids in readability and discoverability.
- -Barry
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