D scripting in D

[Stefan Koch via Digitalmars-d-learn]

On Friday, 2 June 2017 at 02:32:43 UTC, Mike B Johnson wrote:
> 1. change test12.wav to test123.wav
> 2. save file
> 3. recompile.
> 4. run
> 5. Get back to same test point(could be a lot or a little 
> amount of work).

If that is all you want; then compile your code into a dll/so and 
load the new version.
The D compiler is fast enough that it will not break your flow.

program-state management would be taken by the static part of 
your program.