How can we make it easier to experiment with the compiler?

[Walter Bright]

On 5/24/2021 1:40 AM, poffer wrote:
> A good enhancement to the language would be adding some sort of module 
> declaration that just states the admitted import packages or modules. I know 
> that could be done by an external tool, but I feel that this one is a common 
> problem.

Importing unused modules is a problem, but a minor one. The larger problem is 
needing those modules.