On Mon, May 14, 2018 at 10:07 PM, Greg Hendershott
<greghendersh...@gmail.com> wrote:
> David you wrote "both" so I just wanted to point out I read three ways:

Good point; I misspoke.  (Mistyped?)

> 4. It doesn't sound like this is your case, but: If there are many
> function calls where you pass the extra parameter, and that's
> annoying? Keep in mind you can use a `make-parameter` parameter. (You
> can even do both, e.g. there's an optional argument, the default value
> of which is the current parameter value.) Of course, that requires
> some new .rkt file where you define and provide the parameter, and the
> other files need to require _that_.  Whether that's a bug or a
> feature, depends.

Good thought.  I'm using make-parameter is several places already, so
expanding it for this could be useful.

> Speaking of parameters: Sometimes it can make sense for an app to have
> a config.rkt where parameters are defined. Similarly-named environment
> variables are read on startup. For example, as one part of a so-called
> 12 factor app. But this is orthogonal to what folks were discussing
> above. For instance you're not going to read Racket function values
> from the environment. :)

We have one for our database parameters, so it would be easy enough to
expand.  Thanks for the idea.

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