enum Color as i32 { red green = 2147483648 blue } enum ColorString as string { red green = 'abc' blue } enum ColorI8 as i8 { red green = 128 blue } enum ColorI16 as i16 { red green = 32769 blue } enum ColorI32 as i32 { red green = 2147483648 blue } enum ColorI64 as i64 { red green = 9223372036854775808 blue } // These should work however, since the type is unsigned: enum ColorU8ShouldWork as u8 { green = 128 } enum ColorU16ShouldWork as u16 { green = 32769 } enum ColorU32ShouldWork as u32 { green = 2147483648 } enum ColorU64ShouldWork as u64 { green = 9223372036854775808 } // These should work however, since the type is unsigned: enum ColorU8ShouldFail as u8 { green = 256 } enum ColorU16ShouldFail as u16 { green = 65536 } enum ColorU32ShouldFail as u32 { green = 4294967296 } enum ColorU64ShouldFail as u64 { green = 18446744073709551616 }