Ichthyostega 4f676f7213 Library: test and documentation for the new variant-helper ...

So this turned out to be much more challenging than expected,
due to the fact that, with this design, typing information is
only available at compile-time. The key trick was to use a
''double-dispatch'' based on a generic lambda. In the end,
this could be rounded out to be self-contained library helper,
which is even fully copyable and assignable and properly
invokes all payload constructors and destructors.

The flip side is that such a design is obviously very flexible
and direct regarding the parser model-bindings, and it should
be fairly well optimisable, since the structure is entirely
static and without any virtual dispatch.

Proper handling of payload lifecycle was verified using
a tracking test object with checksum.

2025-01-21 04:53:53 +01:00

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