Enum rustc_ast::ast::VariantData[−][src]

pub enum VariantData {
    Struct(Vec<FieldDef>, bool),
    Tuple(Vec<FieldDef>, NodeId),
    Unit(NodeId),
}
Expand description

Fields and constructor ids of enum variants and structs.

Variants

Struct(Vec<FieldDef>, bool)
Expand description

Struct variant.

E.g., Bar { .. } as in enum Foo { Bar { .. } }.

Tuple(Vec<FieldDef>, NodeId)
Expand description

Tuple variant.

E.g., Bar(..) as in enum Foo { Bar(..) }.

Unit(NodeId)
Expand description

Unit variant.

E.g., Bar = .. as in enum Foo { Bar = .. }.

Implementations

impl VariantData[src]

pub fn fields(&self) -> &[FieldDef][src]

Return the fields of this variant.

pub fn ctor_id(&self) -> Option<NodeId>[src]

Return the NodeId of this variant’s constructor, if it has one.

Trait Implementations

impl Clone for VariantData[src]

fn clone(&self) -> VariantData[src]

Returns a copy of the value. Read more

fn clone_from(&mut self, source: &Self)1.0.0[src]

Performs copy-assignment from source. Read more

impl Debug for VariantData[src]

fn fmt(&self, f: &mut Formatter<'_>) -> Result[src]

Formats the value using the given formatter. Read more

impl<__D: Decoder> Decodable<__D> for VariantData[src]

fn decode(__decoder: &mut __D) -> Result<Self, <__D as Decoder>::Error>[src]

impl<__E: Encoder> Encodable<__E> for VariantData[src]

fn encode(&self, __encoder: &mut __E) -> Result<(), <__E as Encoder>::Error>[src]

Auto Trait Implementations

impl !RefUnwindSafe for VariantData

impl !Send for VariantData

impl !Sync for VariantData

impl Unpin for VariantData

impl !UnwindSafe for VariantData

Blanket Implementations

impl<T> Any for T where
    T: 'static + ?Sized, [src]

pub fn type_id(&self) -> TypeId[src]

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T where
    T: ?Sized, [src]

pub fn borrow(&self) -> &T[src]

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T where
    T: ?Sized, [src]

pub fn borrow_mut(&mut self) -> &mut T[src]

Mutably borrows from an owned value. Read more

impl<T> From<T> for T[src]

pub fn from(t: T) -> T[src]

Performs the conversion.

impl<T, U> Into<U> for T where
    U: From<T>, [src]

pub fn into(self) -> U[src]

Performs the conversion.

impl<T> ToOwned for T where
    T: Clone, [src]

type Owned = T

The resulting type after obtaining ownership.

pub fn to_owned(&self) -> T[src]

Creates owned data from borrowed data, usually by cloning. Read more

pub fn clone_into(&self, target: &mut T)[src]

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

recently added

Uses borrowed data to replace owned data, usually by cloning. Read more

impl<T, U> TryFrom<U> for T where
    U: Into<T>, [src]

type Error = Infallible

The type returned in the event of a conversion error.

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>[src]

Performs the conversion.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, [src]

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>[src]

Performs the conversion.