Substitution (aka aliases)

[Alan Bateman]

On 12/04/2012 21:28, Mandy Chung wrote:
> :
>
> As for class name, I also thought about "Dictionary" while I think 
> it's more like a directory of looking up names.  I can change it if 
> you think Dictionary is a better fit.
I don't have a strong opinion on the name, it was just a passing comment 
that "ModuleDirectory" might be confused with the directories for 
modules. Would "Inventory" work?

>
> I also like to make ModuleDirectory and also RepoList inner classes to 
> extend MetaData but it requires some cleanup that I leave it for later 
> to do.  The current MetaData class writes to the file directly but 
> what we want here to write to a temporary file first and then 
> atomically replace the file so that readers of ModuleDictionary 
> doesn't need to hold the exclusive lock.  I keep this as one of the 
> cleanup tasks to do.
Ah right, I follow you now and it can be sorted out later.

-Alan