use strum::EnumProperty; #[derive(Debug, EnumProperty)] enum Test { #[strum(props(key = "value"))] A, B, } #[test] fn prop_test() { let a = Test::A; assert_eq!("value", a.get_str("key").unwrap()); } #[test] fn prop_test_not_found() { let a = Test::A; assert_eq!(None, a.get_str("Not Found")); } #[test] fn prop_test_not_found_2() { let b = Test::B; assert_eq!(None, b.get_str("key")); }