hot code reload is very constrained in what can be changed.
It is great that it exists, but it isn't Smalltalk where at any moment the debugger can come up, you can change the world and hit continue without any issues, with all live instances updated to the latest set of changes.
It is great that it exists, but it isn't Smalltalk where at any moment the debugger can come up, you can change the world and hit continue without any issues, with all live instances updated to the latest set of changes.