4 releases
0.1.4 | Aug 29, 2024 |
---|---|
0.1.3 | Aug 28, 2024 |
0.1.2 | Jun 27, 2023 |
0.1.1 | Jun 26, 2023 |
0.1.0 |
|
#361 in Procedural macros
44 downloads per month
6KB
88 lines
inttype-enum
Converts an enum
into an inttype
, and try to convert it back
Auto implement From<enum> for inttype
, and TryFrom<inttype> for enum
.
if one(only one) variant is tagged with #[default]
, then From<inttype> for enum
will be implemented
Usage examples:
[dependencies]
inttype-enum = "0.1"
#[derive(IntType)]
#[repr(u8)]
enum Cmd {
Connect = 1,
Bind = 2,
Udp = 3,
}
let conn: u8 = Cmd::Connect.into();
assert!(matches!(Cmd::try_from(conn), Ok(Cmd::Connect)));
assert!(matches!(Cmd::try_from(0), Err(_)));
#[derive(IntType)]
#[repr(u8)]
enum Method {
A = 1,
B = 2,
#[default]
C = 3,
}
assert!(matches!(1.into(), Method::A));
assert!(matches!(0.into(), Method::C));
Dependencies
~250–690KB
~17K SLoC