Walter Bright wrote:
My impression is it is just obfuscation around a simple lazy initialization pattern.

While I can see the abstraction usefulness of compile time attribute metadata, I am having a hard time seeing what the gain is with runtime attributes over more traditional techniques.

I'm not sure exactly what you mean by runtime attributes. Do you mean the ability to reflect upon attributes at runtime? In that case, there's two benefits I can think of over "traditional" member data: Instance memory (attributes are create at reflection), and reusable metadata packages (similar to how you might use mixin templates only with less noise and reflection capabilities).

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