Struct rustc_trait_selection::infer::canonical::Canonical

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pub struct Canonical<'tcx, V> {
    pub max_universe: UniverseIndex,
    pub variables: &'tcx List<CanonicalVarInfo<'tcx>>,
    pub value: V,
}

Expand description

A “canonicalized” type V is one where all free inference variables have been rewritten to “canonical vars”. These are numbered starting from 0 in order of first appearance.

Fields

max_universe: UniverseIndexvariables: &'tcx List<CanonicalVarInfo<'tcx>>value: V

Auto Trait Implementations

impl<'tcx, V> !RefUnwindSafe for Canonical<'tcx, V>

impl<'tcx, V> Send for Canonical<'tcx, V>where
V: Send,

impl<'tcx, V> Sync for Canonical<'tcx, V>where
V: Sync,

impl<'tcx, V> Unpin for Canonical<'tcx, V>where
V: Unpin,

impl<'tcx, V> !UnwindSafe for Canonical<'tcx, V>

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<'tcx, T> ArenaAllocatable<'tcx, IsCopy> for Twhere
T: Copy,

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

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fn allocate_from_iter(
arena: &'a Arena<'tcx>,
iter: impl IntoIterator<Item = T>
) -> &'a mut [T]ⓘNotable traits for &[u8]`impl Read for &[u8]impl Write for &mut [u8]`

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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<'tcx, T> IsSuggestable<'tcx> for Twhere
T: TypeVisitable<'tcx>,

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fn is_suggestable(self, tcx: TyCtxt<'tcx>, infer_suggestable: bool) -> bool

Whether this makes sense to suggest in a diagnostic. Read more

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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.

Layout

Note: Unable to compute type layout, possibly due to this type having generic parameters. Layout can only be computed for concrete, fully-instantiated types.

Struct rustc_trait_selection::infer::canonical::Canonical

Fields

Auto Trait Implementations

impl<'tcx, V> !RefUnwindSafe for Canonical<'tcx, V>

impl<'tcx, V> Send for Canonical<'tcx, V>where
V: Send,

impl<'tcx, V> Sync for Canonical<'tcx, V>where
V: Sync,

impl<'tcx, V> Unpin for Canonical<'tcx, V>where
V: Unpin,

impl<'tcx, V> !UnwindSafe for Canonical<'tcx, V>

Blanket Implementations

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

fn type_id(&self) -> TypeId

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

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

fn allocate_from_iter(
arena: &'a Arena<'tcx>,
iter: impl IntoIterator<Item = T>
) -> &'a mut [T]ⓘNotable traits for &[u8]`impl Read for &[u8]impl Write for &mut [u8]`

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<'tcx, T> IsSuggestable<'tcx> for Twhere
T: TypeVisitable<'tcx>,

fn is_suggestable(self, tcx: TyCtxt<'tcx>, infer_suggestable: bool) -> bool

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>

Layout

Struct rustc_trait_selection::infer::canonical::Canonical

Fields

Auto Trait Implementations

impl<'tcx, V> !RefUnwindSafe for Canonical<'tcx, V>

impl<'tcx, V> Send for Canonical<'tcx, V>where V: Send,

impl<'tcx, V> Sync for Canonical<'tcx, V>where V: Sync,

impl<'tcx, V> Unpin for Canonical<'tcx, V>where V: Unpin,

impl<'tcx, V> !UnwindSafe for Canonical<'tcx, V>

Blanket Implementations

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

fn type_id(&self) -> TypeId

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

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

fn allocate_from_iter( arena: &'a Arena<'tcx>, iter: impl IntoIterator<Item = T>) -> &'a mut [T]ⓘNotable traits for &[u8]impl Read for &[u8]impl Write for &mut [u8]

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<'tcx, T> IsSuggestable<'tcx> for Twhere T: TypeVisitable<'tcx>,

fn is_suggestable(self, tcx: TyCtxt<'tcx>, infer_suggestable: bool) -> bool

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>

Layout

impl<'tcx, V> Send for Canonical<'tcx, V>where
V: Send,

impl<'tcx, V> Sync for Canonical<'tcx, V>where
V: Sync,

impl<'tcx, V> Unpin for Canonical<'tcx, V>where
V: Unpin,

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

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

fn allocate_from_iter(
arena: &'a Arena<'tcx>,
iter: impl IntoIterator<Item = T>
) -> &'a mut [T]ⓘNotable traits for &[u8]`impl Read for &[u8]impl Write for &mut [u8]`

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<'tcx, T> IsSuggestable<'tcx> for Twhere
T: TypeVisitable<'tcx>,

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>,