Delimited serialization example

[pavel.kirienko]

Cross-linking the background here for future reference:

Data type extensibility and composition

So I’ve made some changes to PyDSDL which are currently on a branch. It is more or less functionally complete but the tests are not yet updated. I had to introduce certain modifications to the proposal I shared here earlier because a closer look revealed some flaws. One minor change is that I renamed “capacity” into “extent” in order to avoid overloading the term “capacity” as applied to arrays. Other than that, it is the same: extent is defined as the amount of buffer memory that is required f…