[racket] duplicate/copy a namespace

From: Kevin Tew (tewk at cs.utah.edu)
Date: Tue Nov 9 10:45:36 EST 2010

I've been wanting to implement a fork-like feature for places where a 
new place is created as a clone of its parent.
A deep namespace-copy could be useful in that scenario.

On 11/08/2010 04:49 PM, Jay McCarthy wrote:
> Could namespaces be dicts and we could write dict-copy?
> Jay
> On Mon, Nov 8, 2010 at 6:59 AM, Matthew Flatt<mflatt at cs.utah.edu>  wrote:
>> At Thu, 4 Nov 2010 17:10:31 -0700, YC wrote:
>>> is there a way to duplicate or copy a namespace?  It looks like I can use
>>> namespace-mapped-symbols, namespace-variable-value, and
>>> namespace-variable-set-value! to copy the results from one namespace to
>>> another, but this only works for variables, not syntaxes that resides in the
>>> source namespace.
>> I think you're right that there's currently no way to duplicate a
>> namespace. Maybe we could add additional reflective operations, but
>> it's easy to add too much in this space.
>> Can you say more about how duplicating a namespace would be useful?
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