* WIP
* WIP
* WIP
* changed from storing ident to storing TokenStream internally
* Push for code sharing
* fmt
* changing test target to string
* updated Display not showing extra single quote, fixed clippy
* removed DeriveDisplay for test case not using display trait
* added test cases for display_value attribute
* Remove useless clone
* Add comment
* Remove useless clone
* Rename method
* Refactoring
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Co-authored-by: Billy Chan <ccw.billy.123@gmail.com>