Enum rustc_typeck::hir::Defaultness

pub enum Defaultness {
    Default {
        has_value: bool,
    },
    Final,
}

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

Variants

Default

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

Fields of Default

has_value: bool

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

Final

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

Methods

impl Defaultness

fn has_value(&self) -> bool

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

fn is_final(&self) -> bool

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

fn is_default(&self) -> bool

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

Trait Implementations

impl Decodable for Defaultness

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

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

impl PartialEq<Defaultness> for Defaultness

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

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

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

This method tests for !=.

impl Hash for Defaultness

fn hash<__H>(&self, __arg_0: &mut __H) where __H: Hasher

Feeds this value into the state given, updating the hasher as necessary.

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

Feeds a slice of this type into the state provided.

impl Clone for Defaultness

fn clone(&self) -> Defaultness

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Eq for Defaultness

impl Debug for Defaultness

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

Formats the value using the given formatter.

impl Encodable for Defaultness

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

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

impl Copy for Defaultness