Enum rustc_hir::hir::Guard

source ·
pub enum Guard<'hir> {
    If(&'hir Expr<'hir>),
    IfLet(&'hir Let<'hir>),
}

Variants§

§

If(&'hir Expr<'hir>)

§

IfLet(&'hir Let<'hir>)

Implementations§

source§

impl<'hir> Guard<'hir>

source

pub fn body(&self) -> &'hir Expr<'hir>

Returns the body of the guard

In other words, returns the e in either of the following:

  • if e
  • if let x = e

Trait Implementations§

source§

impl<'hir> Clone for Guard<'hir>

source§

fn clone(&self) -> Guard<'hir>

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
source§

impl<'hir> Debug for Guard<'hir>

source§

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

Formats the value using the given formatter. Read more
source§

impl<'hir, __CTX> HashStable<__CTX> for Guard<'hir>
where __CTX: HashStableContext,

source§

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

source§

impl<'hir> Copy for Guard<'hir>

Auto Trait Implementations§

§

impl<'hir> RefUnwindSafe for Guard<'hir>

§

impl<'hir> Send for Guard<'hir>

§

impl<'hir> Sync for Guard<'hir>

§

impl<'hir> Unpin for Guard<'hir>

§

impl<'hir> UnwindSafe for Guard<'hir>

Blanket Implementations§

source§

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

source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
source§

impl<'tcx, T> ArenaAllocatable<'tcx, IsCopy> for T
where T: Copy,

source§

fn allocate_on<'a>(self, arena: &'a Arena<'tcx>) -> &'a mut T

source§

fn allocate_from_iter<'a>( arena: &'a Arena<'tcx>, iter: impl IntoIterator<Item = T> ) -> &'a mut [T]

source§

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

source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
source§

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

source§

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

Mutably borrows from an owned value. Read more
source§

impl<T> From<T> for T

source§

fn from(t: T) -> T

Returns the argument unchanged.

source§

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

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.

source§

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

§

type Owned = T

The resulting type after obtaining ownership.
source§

fn to_owned(&self) -> T

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

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

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

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

§

type Error = Infallible

The type returned in the event of a conversion error.
source§

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

Performs the conversion.
source§

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

§

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

The type returned in the event of a conversion error.
source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::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: 16 bytes

Size for each variant:

  • If: 8 bytes
  • IfLet: 8 bytes