Easy User code injection

[Kagamin via Digitalmars-d]

On Sunday, 3 April 2016 at 20:51:47 UTC, Patience wrote:
> A "scripting" like interface would probably be required but not 
> necessary as we could allow the user to create the code 
> somewhere else.

Some games are scripted: they provide an engine and high-level 
logic is written in a script. Firefox is written this way too. 
This is usually enough for most things.