Struct rustc_mir_build::thir::pattern::usefulness::MatchArm

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pub(crate) struct MatchArm<'p, 'tcx> {
    pub(crate) pat: &'p DeconstructedPat<'p, 'tcx>,
    pub(crate) hir_id: HirId,
    pub(crate) has_guard: bool,
}

Expand description

The arm of a match expression.

Fields

pat: &'p DeconstructedPat<'p, 'tcx>

The pattern must have been lowered through check_match::MatchVisitor::lower_pattern.

hir_id: HirIdhas_guard: bool

Trait Implementations

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impl<'p, 'tcx> Clone for MatchArm<'p, 'tcx>

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fn clone(&self) -> MatchArm<'p, 'tcx>

Returns a copy of the value. Read more

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

Performs copy-assignment from source. Read more

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impl<'p, 'tcx> Debug for MatchArm<'p, 'tcx>

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

Formats the value using the given formatter. Read more

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impl<'p, 'tcx> Copy for MatchArm<'p, 'tcx>

Auto Trait Implementations

impl<'p, 'tcx> !RefUnwindSafe for MatchArm<'p, 'tcx>

impl<'p, 'tcx> !Send for MatchArm<'p, 'tcx>

impl<'p, 'tcx> !Sync for MatchArm<'p, 'tcx>

impl<'p, 'tcx> Unpin for MatchArm<'p, 'tcx>where
'tcx: 'p,

impl<'p, 'tcx> !UnwindSafe for MatchArm<'p, 'tcx>

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.

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impl<'a, T> Captures<'a> for Twhere
T: ?Sized,

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

Struct rustc_mir_build::thir::pattern::usefulness::MatchArm

Fields

Trait Implementations

impl<'p, 'tcx> Clone for MatchArm<'p, 'tcx>

fn clone(&self) -> MatchArm<'p, 'tcx>

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

impl<'p, 'tcx> Debug for MatchArm<'p, 'tcx>

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

impl<'p, 'tcx> Copy for MatchArm<'p, 'tcx>

Auto Trait Implementations

impl<'p, 'tcx> !RefUnwindSafe for MatchArm<'p, 'tcx>

impl<'p, 'tcx> !Send for MatchArm<'p, 'tcx>

impl<'p, 'tcx> !Sync for MatchArm<'p, 'tcx>

impl<'p, 'tcx> Unpin for MatchArm<'p, 'tcx>where
'tcx: 'p,

impl<'p, 'tcx> !UnwindSafe for MatchArm<'p, 'tcx>

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>

impl<'a, T> Captures<'a> for Twhere
T: ?Sized,

Layout

Struct rustc_mir_build::thir::pattern::usefulness::MatchArm

Fields

Trait Implementations

impl<'p, 'tcx> Clone for MatchArm<'p, 'tcx>

fn clone(&self) -> MatchArm<'p, 'tcx>

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

impl<'p, 'tcx> Debug for MatchArm<'p, 'tcx>

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

impl<'p, 'tcx> Copy for MatchArm<'p, 'tcx>

Auto Trait Implementations

impl<'p, 'tcx> !RefUnwindSafe for MatchArm<'p, 'tcx>

impl<'p, 'tcx> !Send for MatchArm<'p, 'tcx>

impl<'p, 'tcx> !Sync for MatchArm<'p, 'tcx>

impl<'p, 'tcx> Unpin for MatchArm<'p, 'tcx>where 'tcx: 'p,

impl<'p, 'tcx> !UnwindSafe for MatchArm<'p, 'tcx>

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>

impl<'a, T> Captures<'a> for Twhere T: ?Sized,

Layout

impl<'p, 'tcx> Unpin for MatchArm<'p, 'tcx>where
'tcx: 'p,

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>,

impl<'a, T> Captures<'a> for Twhere
T: ?Sized,