"A set of traits and macros for deriving conversion traits between enums and the types in their variants."

Procedural macros for deriving From and TryFrom traits on Rust enums.

https://docs.rs/variant_access_traits/

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A header with basic type definitions to annotate that a type is uninitialized or intiailized. For situations where not all field of some data type are known at instantiation and must be filled in at a much later. By annotating the types as 'Initialized' or 'Uninitialized' helps avoid accidental use of default values.