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Re: Generic-methods from multiple modules should merge

From: Alan Grover
Subject: Re: Generic-methods from multiple modules should merge
Date: Tue, 10 Jan 2006 20:20:40 -0500
User-agent: Mozilla Thunderbird 1.0.6 (X11/20050716)

Yes, lovely section in the NEWS outlining the exact problem, and the
behavior I expect. Though I think that merge-generics should be the
default behavior.

I suppose I'll have to to try to upgrade.

Marius Vollmer wrote:
> Alan Grover <address@hidden> writes:
>>I think the right thing is to have the module system "merge" the generic
>>methods. Thus, when importing a module, if the module's symbol is bound
>>to a generic-method, and if the symbol is already bound to a
>>generic-method (in the "using" module), add the methods to the existing
>>generic-method. Then, all of the methods are visible under the generic name.
> You can do this by using a 'duplicates' handler when defining the
> importing module.  The 'duplicates' handler determines what is going
> to be done to bindings with the same name.  The 'merge-generics'
> handler is probably what you are looking for.  See NEWS in CVS HEAD.

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