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#![cfg_attr(feature = "nightly", feature(arbitrary_enum_discriminant))]
use ::num_enum::IntoPrimitive;
// Guard against https://github.com/illicitonion/num_enum/issues/27
mod alloc {}
mod core {}
mod num_enum {}
mod std {}
#[derive(IntoPrimitive)]
#[repr(u8)]
enum Enum {
Zero,
One,
Two,
}
#[test]
fn simple() {
let zero: u8 = Enum::Zero.into();
assert_eq!(zero, 0u8);
let one: u8 = Enum::One.into();
assert_eq!(one, 1u8);
let two: u8 = Enum::Two.into();
assert_eq!(two, 2u8);
}
#[test]
#[cfg(feature = "nightly")]
fn catch_all() {
#[derive(Debug, Eq, PartialEq, IntoPrimitive)]
#[repr(u8)]
enum Enum {
Zero = 0,
#[num_enum(catch_all)]
NonZero(u8),
}
let zero: u8 = Enum::Zero.into();
assert_eq!(zero, 0u8);
let one: u8 = Enum::NonZero(1u8).into();
assert_eq!(one, 1u8);
let two: u8 = Enum::NonZero(2u8).into();
assert_eq!(two, 2u8);
}
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