[MERGE] Add wrapper function for lazily registering filter stack maps.

[John Arbash Meinel]

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Ian Clatworthy wrote:
> Ian Clatworthy has voted approve.
> Status is now: Approved
> Comment:
> My preference is to keep the registry variable private for now and
> mutate it via functions like you've done.
> 
> For details, see:
> http://bundlebuggy.aaronbentley.com/project/bzr/request/%3C20090323031217.5E8DB1D358%40ganieda.vernstok.nl%3E
> 
> Project: Bazaar
> 
> 

hmm... my preference is actually the opposite. By writing decorator
functions, you end up re-implementing all the functions you need on the
registry, just to have them call into the registry.

Is there a reason you think a registry isn't a proper api for what you need?

John
=:->

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