Replace `assert` statements in Marshall.hpp with run-time error handling about djinni-support-lib

[a4z]

After skimming again though our assert usages, I am closing that issue.

Asserts have a defined use case in C++, that is, check a condition in debug build and don't check (remove that code) in release builds.
There are many asserts, and they are used in the spirit of that use case.

If there is any special assert that should be implemented as a runtime exception also in release builds, there should be specific ticket for it, so it can be discussed. And if there is an exception implementation, tests need be added to trigger that problem and verify exceptions are thrown accordingly.

A general ticket like this, that wants to remove all asserts, can not be implemented, since asserts have a real use case.

[a4z]

I agree that there is no safety , except a check in a debug build (with an assert failure).

But I have difficult to see what else to do.
Exceptions, just crash .... ? This might result in the same , because, how could you handle such an exception.
And then there is of course the question of the likeliness of such an event, and if we are willy to pay the price of additional code in the release build for this scenario?

It would be good to find answers to those questions to come up with a strategy for a better solution, if there is any