Struct core::mem::Discriminant

pub struct Discriminant<T>(_, _);

🔬 This is a nightly-only experimental API. (discriminant_value #24263)

recently added, follows RFC

Opaque type representing the discriminant of an enum.

See the discriminant function in this module for more information.

Trait Implementations

impl<T> Copy for Discriminant<T>

impl<T> Clone for Discriminant<T>

fn clone(&self) -> Self

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<T> PartialEq for Discriminant<T>

fn eq(&self, rhs: &Self) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl<T> Eq for Discriminant<T>

impl<T> Hash for Discriminant<T>

fn hash<H: Hasher>(&self, state: &mut H)

Feeds this value into the given [Hasher].

fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) where
    Self: Sized, 

Feeds a slice of this type into the given [Hasher].

impl<T> Debug for Discriminant<T>

fn fmt(&self, fmt: &mut Formatter) -> Result

Formats the value using the given formatter.