I want to get all keys or values enum and print them. How I can do that?
Something similar Object.values, Object.keys in JS
It looks like everything you are doing here would be easier with strum. Along with its partner crate strum_macros, it provides procedural macros for deriving and traits for iterators, parsers, Display implementations, and a bunch of other handy things with enums.
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Thank you, exactly what I need. 
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