On Oct 23, 2012, at 12:00 PM, David Rajchenbach-Teller wrote:
>> // Boilerplate for declaring TLS key
>> fn missing_file_key(_x: @Handler<Path,Reader>) { }
> I do not understand this line.

TLS storage needs a unique key to identify it. Right now, the way that is done, 
as I understand it, is with the memory location for a global function. So this 
is truly boilerplate, just a way to get a unique identifier for the storage.
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