[Python-3000] Draft pre-PEP: function annotations (original) (raw)

Phillip J. Eby pje at telecommunity.com
Mon Aug 14 06:21:27 CEST 2006

At 03:22 PM 8/14/2006 +1200, Greg Ewing wrote:

Phillip J. Eby wrote:

Not at all. A and B need only use overloadable functions, and the problem is trivially resolved by adding overloads. The author of C can add an overload to "A" that will handle objects with 'next' attributes, or add one to "B" that handles tuples, or both. Phillip, you still haven't explained what to do if the code processing the annotations is in a separate program altogether, to which the user has no access in order to overload methods or perform other such modifications.

It can't be a "separate program altogether", since to get at the annotations, the program must import the module that contains them. Thus, the registration need only occur in some module imported by the module that uses the annotations.

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