Struct rustc_pattern_analysis::usefulness::UsefulnessCtxt

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pub struct UsefulnessCtxt<'a, Cx: TypeCx> {
    pub tycx: &'a Cx,
}
Expand description

Context that provides information for usefulness checking.

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§tycx: &'a Cx

The context for type information.

Trait Implementations§

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impl<'a, Cx: TypeCx> Clone for UsefulnessCtxt<'a, Cx>

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fn clone(&self) -> Self

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<'a, Cx: TypeCx> Copy for UsefulnessCtxt<'a, Cx>

Auto Trait Implementations§

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impl<'a, Cx> RefUnwindSafe for UsefulnessCtxt<'a, Cx>
where Cx: RefUnwindSafe,

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impl<'a, Cx> Send for UsefulnessCtxt<'a, Cx>
where Cx: Sync,

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impl<'a, Cx> Sync for UsefulnessCtxt<'a, Cx>
where Cx: Sync,

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impl<'a, Cx> Unpin for UsefulnessCtxt<'a, Cx>

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impl<'a, Cx> UnwindSafe for UsefulnessCtxt<'a, Cx>
where Cx: RefUnwindSafe,

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,

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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,

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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

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fn from(t: T) -> T

Returns the argument unchanged.

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

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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,

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

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type Error = Infallible

The type returned in the event of a conversion error.
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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 T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<'a, T> Captures<'a> for T
where 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: 8 bytes