[plt-scheme] Easy module switching?

On Jun 27, 2007, at 2:02 PM, Henk Boom wrote:

> Hi, I was wondering whether there is an easy way to switch out certain
> modules for alternate ones. For example, I might want to use different
> versions of a debugging/contract library depending how much
> performance/debugging I need at the time.
>
> I was wondering about using a command line option to require a file
> which did something funky with current-library-collection-paths, but
> I'm not exactly sure how I could actually use that.

Units are designed to handle this kind of problem, though in fact  
units give you run-time binding, which might be more flexibility than  
you really want.

Apologies if you already knew this.

John Clements

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