Enum rustc_hir::hir::MatchSource

source · [−]

pub enum MatchSource {
    Normal,
    ForLoopDesugar,
    TryDesugar,
    AwaitDesugar,
}

Expand description

Hints at the original code for a match _ { .. }.

Variants

`Normal`

A match _ { .. }.

`ForLoopDesugar`

A desugared for _ in _ { .. } loop.

`TryDesugar`

A desugared ? operator.

`AwaitDesugar`

A desugared <expr>.await.

Implementations

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Trait Implementations

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impl Clone for MatchSource

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fn clone(&self) -> MatchSource

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 MatchSource

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

Feeds this value into the given Hasher. Read more

1.3.0 · source

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

Feeds a slice of this type into the given Hasher. Read more

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impl<CTX> HashStable<CTX> for MatchSource where
__CTX: HashStableContext,

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fn hash_stable(&self, hcx: &mut CTX, __hasher: &mut StableHasher)

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impl PartialEq<MatchSource> for MatchSource

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fn eq(&self, other: &MatchSource) -> bool

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

1.0.0 · source

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

This method tests for !=.

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impl StructuralEq for MatchSource

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impl StructuralPartialEq for MatchSource

Auto Trait Implementations

impl RefUnwindSafe for MatchSource

impl UnwindSafe for MatchSource

Blanket Implementations

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impl<T> Any for T where
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 T where
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 T where
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 T where
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 T where
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)

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

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

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impl<T, U> TryFrom for T where
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 T where
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: 1 byte

Size for each variant:

Normal: 0 bytes
ForLoopDesugar: 0 bytes
TryDesugar: 0 bytes
AwaitDesugar: 0 bytes

Enum rustc_hir::hir::MatchSource

Variants

Normal

ForLoopDesugar

TryDesugar

AwaitDesugar

Implementations

impl MatchSource

pub const fn name(self) -> &'static str

Trait Implementations

impl Clone for MatchSource

fn clone(&self) -> MatchSource

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

impl Debug for MatchSource

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

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

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

impl Hash for MatchSource

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

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

impl<__CTX> HashStable<__CTX> for MatchSource where __CTX: HashStableContext,

fn hash_stable(&self, __hcx: &mut __CTX, __hasher: &mut StableHasher)

impl PartialEq<MatchSource> for MatchSource

fn eq(&self, other: &MatchSource) -> bool

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

impl Copy for MatchSource

impl Eq for MatchSource

impl StructuralEq for MatchSource

impl StructuralPartialEq for MatchSource

Auto Trait Implementations

impl RefUnwindSafe for MatchSource

impl Send for MatchSource

impl Sync for MatchSource

impl Unpin for MatchSource

impl UnwindSafe for MatchSource

Blanket Implementations

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

fn type_id(&self) -> TypeId

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

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where 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 T where U: From<T>,

fn into(self) -> U

impl<T> ToOwned for T where T: Clone,

type Owned = T

fn to_owned(&self) -> T

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

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

type Error = Infallible

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

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

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

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

Layout

`Normal`

`ForLoopDesugar`

`TryDesugar`

`AwaitDesugar`

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

fn encode(&self, encoder: &mut E) -> Result<(), <__E as Encoder>::Error>

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

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

impl<CTX> HashStable<CTX> for MatchSource where
__CTX: HashStableContext,

fn hash_stable(&self, hcx: &mut CTX, __hasher: &mut StableHasher)

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

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

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

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

impl<T> ToOwned for T where
T: Clone,

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

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