Enum rustc_hir::hir::Guard

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

Variants§

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If(&'hir Expr<'hir>)

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IfLet(&'hir Let<'hir>)

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impl<'hir> Guard<'hir>

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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§

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

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

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

Auto Trait Implementations§

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

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

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

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

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

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

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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<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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

The type returned in the event of a conversion error.
const: unstable · 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