[Python-Dev] The role of NotImplemented: What is it for and when should it be used? (original) (raw)

Guido van Rossum guido at python.org
Mon Nov 3 21:06:08 CET 2014

Sounds good!

On Mon, Nov 3, 2014 at 11:33 AM, Ethan Furman <ethan at stoneleaf.us> wrote:

Summary:

NotImplemented should be used by the normal and reflected binary methods (lt, add, xor, rsub, etc.) NotImplemented may be used by the in-place binary methods (iadd, ixor, etc.), but the in-place methods are also free to raise an exception. Correct? -- Ethan

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