Enum rustc_ast::ast::LocalKind

source ·

pub enum LocalKind {
    Decl,
    Init(P<Expr>),
    InitElse(P<Expr>, P<Block>),
}

Variants

`Decl`

Local declaration. Example: let x;

`Init(P<Expr>)`

Local declaration with an initializer. Example: let x = y;

`InitElse(P<Expr>, P<Block>)`

Local declaration with an initializer and an else clause. Example: let Some(x) = y else { return };

Implementations

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Trait Implementations

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impl Clone for LocalKind

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fn clone(&self) -> LocalKind

Returns a copy of the value. Read more

1.0.0 · source

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

Performs copy-assignment from source. Read more

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impl Debug for LocalKind

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

Formats the value using the given formatter. Read more

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fn encode(&self, encoder: &mut E)

Auto Trait Implementations

impl !RefUnwindSafe for LocalKind

impl !UnwindSafe for LocalKind

Blanket Implementations

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impl<T> Any for Twhere
T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for Twhere
T: ?Sized,

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for Twhere
T: ?Sized,

const: unstable · source

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for Twhere
U: From<T>,

const: unstable · source

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToOwned for Twhere
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

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fn to_owned(&self) -> T

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

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fn clone_into(&self, target: &mut T)

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

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impl<T, U> TryFrom for Twhere
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

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

Performs the conversion.

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impl<T, U> TryInto for Twhere
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

Layout

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference’s “Type Layout” chapter for details on type layout guarantees.

Size: 24 bytes

Size for each variant:

Decl: 0 bytes
Init: 8 bytes
InitElse: 16 bytes

Enum rustc_ast::ast::LocalKind

Variants

Decl

Init(P<Expr>)

InitElse(P<Expr>, P<Block>)

Implementations

impl LocalKind

pub fn init(&self) -> Option<&Expr>

pub fn init_else_opt(&self) -> Option<(&Expr, Option<&Block>)>

Trait Implementations

impl Clone for LocalKind

fn clone(&self) -> LocalKind

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

impl Debug for LocalKind

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

impl<__D: Decoder> Decodable<__D> for LocalKind

fn decode(__decoder: &mut __D) -> Self

impl<__E: Encoder> Encodable<__E> for LocalKind

fn encode(&self, __encoder: &mut __E)

Auto Trait Implementations

impl !RefUnwindSafe for LocalKind

impl !Send for LocalKind

impl !Sync for LocalKind

impl Unpin for LocalKind

impl !UnwindSafe for LocalKind

Blanket Implementations

impl<T> Any for Twhere T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for Twhere T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for Twhere T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

fn from(t: T) -> T

impl<T, U> Into<U> for Twhere U: From<T>,

fn into(self) -> U

impl<T> ToOwned for Twhere T: Clone,

type Owned = T

fn to_owned(&self) -> T

fn clone_into(&self, target: &mut T)

impl<T, U> TryFrom<U> for Twhere U: Into<T>,

type Error = Infallible

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

impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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

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

Layout

`Decl`

`Init(P<Expr>)`

`InitElse(P<Expr>, P<Block>)`

impl<D: Decoder> Decodable<D> for LocalKind

fn decode(decoder: &mut D) -> Self

impl<E: Encoder> Encodable<E> for LocalKind

fn encode(&self, encoder: &mut E)

impl<T> Any for Twhere
T: 'static + ?Sized,

impl<T> Borrow<T> for Twhere
T: ?Sized,

impl<T> BorrowMut<T> for Twhere
T: ?Sized,

impl<T, U> Into<U> for Twhere
U: From<T>,

impl<T> ToOwned for Twhere
T: Clone,

impl<T, U> TryFrom<U> for Twhere
U: Into<T>,

impl<T, U> TryInto<U> for Twhere
U: TryFrom<T>,