Enum rustc::ty::VariantDiscr

pub enum VariantDiscr {
    Explicit(DefId),
    Relative(usize),
}

🔬 This is a nightly-only experimental API. (rustc_private)

Variants

Explicit(DefId)

🔬 This is a nightly-only experimental API. (rustc_private)

Explicit value for this variant, i.e. X = 123. The DefId corresponds to the embedded constant.

Relative(usize)

🔬 This is a nightly-only experimental API. (rustc_private)

The previous variant's discriminant plus one. For efficiency reasons, the distance from the last Explicit discriminant is being stored, or 0 for the first variant, if it has none.

Trait Implementations

impl Copy for VariantDiscr

impl Clone for VariantDiscr

fn clone(&self) -> VariantDiscr

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for VariantDiscr

fn fmt(&self, __arg_0: &mut Formatter) -> Result

Formats the value using the given formatter.

impl PartialEq for VariantDiscr

fn eq(&self, __arg_0: &VariantDiscr) -> bool

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

fn ne(&self, __arg_0: &VariantDiscr) -> bool

This method tests for !=.

impl Eq for VariantDiscr

impl Encodable for VariantDiscr

fn encode<__S: Encoder>(&self, __arg_0: &mut __S) -> Result<(), __S::Error>

🔬 This is a nightly-only experimental API. (rustc_private)

deprecated in favor of rustc-serialize on crates.io

impl Decodable for VariantDiscr

fn decode<__D: Decoder>(__arg_0: &mut __D) -> Result<VariantDiscr, __D::Error>

🔬 This is a nightly-only experimental API. (rustc_private)

deprecated in favor of rustc-serialize on crates.io