Trait enum_traits::Discriminant

pub trait Discriminant: Sized {
    type Type;
    fn from_discriminant(discriminant: Self::Type) -> Option<Self>;
    unsafe fn from_discriminant_unchecked(discriminant: Self::Type) -> Self;
}

Derive this trait for an enum automatically using #[derive(EnumDiscriminant)] This trait can only be derived when every item have an explicitly defined discriminant.

Associated Types

type Type

The type of the discriminant

Required Methods

fn from_discriminant(discriminant: Self::Type) -> Option<Self>

Tries to construct an enum from the discriminant of the variants/enum items

unsafe fn from_discriminant_unchecked(discriminant: Self::Type) -> Self

Constructs an enum from the discriminant of the variants/enum items

Implementors