Crate enum_discriminant_macros 

Attribute Macros

discriminant

Adds a discriminant() function to get the numeric value of enum variants. Also adds a from_discriminant() function to create unit type enum variants from discriminants.

Derive Macros

FromDiscriminant

Derive macro generating an impl for the FromDiscriminant trait for enums. The trait adds a from_discriminant() function to create unit type enum variants from discriminants.

IntoDiscriminant

Derive macro generating an impl for the IntoDiscriminant trait for enums. The trait adds a discriminant() function to get the numeric value of enum variants.