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What is metadata in assemblies and how does CLR use it?

Expert C#
Quick Answer Assembly metadata contains tables describing every type, method, field, parameter, and attribute in the assembly. The CLR reads this during type loading to understand what to JIT-compile, how to lay out objects in memory, and what to expose through reflection. It makes assemblies completely self-describing.

Answer

Metadata includes type, method, field tables, attributes, and generic constraints.

CLR uses it for JIT compilation, verification, reflection, and type loading.

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