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GlobalSource

Enum GlobalSource 

Source
pub enum GlobalSource {
    Normal,
    TraitDefault {
        trait_ref: TraitDeclRef,
        item_id: AssocConstId,
    },
    TraitImpl {
        impl_ref: TraitImplRef,
        trait_ref: TraitDeclRef,
        item_id: AssocConstId,
        reuses_default: bool,
    },
    VTableInstance {
        impl_ref: Option<TraitImplRef>,
    },
}
Expand description

Where a given global came from.

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Normal

A normal global.

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TraitDefault

A default assoc const in a trait declaration.

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§trait_ref: TraitDeclRef

The trait declaration the const belongs to.

§item_id: AssocConstId

The associated const this corresponds to.

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TraitImpl

An associated const in a trait implementation.

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§impl_ref: TraitImplRef

The trait implementation the const belongs to.

§trait_ref: TraitDeclRef

The trait declaration that the impl block implements.

§item_id: AssocConstId

The associated const this corresponds to.

§reuses_default: bool

True if the trait decl had a default value for this const and this item is a copy of the default item.

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VTableInstance

Defines the vtable for a trait impl.

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§impl_ref: Option<TraitImplRef>

The originating impl. This is None in monomorphized mode: the vtable global itself identifies the concrete instantiation, so we don’t translate an impl reference solely to record its provenance.

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impl AstVisitable for GlobalSource

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fn drive<V: VisitAst>(&self, v: &mut V) -> ControlFlow<V::Break>

Recursively visit this type with the provided visitor. This calls the visitor’s visit_$any method if it exists, otherwise visit_inner.
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fn drive_mut<V: VisitAstMut>(&mut self, v: &mut V) -> ControlFlow<V::Break>

Recursively visit this type with the provided visitor. This calls the visitor’s visit_$any method if it exists, otherwise visit_inner.
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fn drive_two<V: ZipAst>(&self, other: &Self, v: &mut V) -> ControlFlow<V::Break>

Recursively visit this type with the provided visitor. This calls the visitor’s visit_$any method if it exists, otherwise visit_inner.
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fn name(&self) -> &'static str

The name of the type, used for debug logging.
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fn dyn_visit<T: AstVisitable>(&self, f: impl FnMut(&T))
where Self: Sized,

Visit all occurrences of that type inside self, in pre-order traversal.
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fn dyn_visit_mut<T: AstVisitable>(&mut self, f: impl FnMut(&mut T))
where Self: Sized,

Visit all occurrences of that type inside self, in pre-order traversal.
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impl Clone for GlobalSource

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fn clone(&self) -> GlobalSource

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl Debug for GlobalSource

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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<'de, __State: ?Sized> DeserializeState<'de, __State> for GlobalSource
where TraitDeclRef: DeserializeState<'de, __State>, AssocConstId: DeserializeState<'de, __State>, TraitImplRef: DeserializeState<'de, __State>, bool: DeserializeState<'de, __State>, Option<TraitImplRef>: DeserializeState<'de, __State>,

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fn deserialize_state<__D>( __state: &__State, __deserializer: __D, ) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

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impl<'s, V> Drive<'s, V> for GlobalSource
where V: Visitor + Visit<'s, TraitDeclRef> + Visit<'s, AssocConstId> + Visit<'s, TraitImplRef> + Visit<'s, Option<TraitImplRef>>,

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fn drive_inner(&'s self, visitor: &mut V) -> ControlFlow<V::Break>

Call v.visit() on the immediate contents of self.
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impl<'s, V> DriveMut<'s, V> for GlobalSource
where V: Visitor + VisitMut<'s, TraitDeclRef> + VisitMut<'s, AssocConstId> + VisitMut<'s, TraitImplRef> + VisitMut<'s, Option<TraitImplRef>>,

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fn drive_inner_mut(&'s mut self, visitor: &mut V) -> ControlFlow<V::Break>

Call v.visit() on the immediate contents of self.
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impl<'s, V> DriveTwo<'s, V> for GlobalSource
where V: Visitor<Break: Default> + VisitTwo<'s, TraitDeclRef> + VisitTwo<'s, AssocConstId> + VisitTwo<'s, TraitImplRef> + VisitTwo<'s, Option<TraitImplRef>>,

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fn drive_two_inner( &'s self, other: &'s Self, visitor: &mut V, ) -> ControlFlow<V::Break>

Call v.visit() on the immediate contents of self and other, if they correspond. If the values don’t match up, this returns Break(Default::default()).
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impl Eq for GlobalSource

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impl PartialEq for GlobalSource

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fn eq(&self, other: &GlobalSource) -> bool

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more
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impl<__State: ?Sized> SerializeState<__State> for GlobalSource
where TraitDeclRef: SerializeState<__State>, AssocConstId: SerializeState<__State>, TraitImplRef: SerializeState<__State>, bool: SerializeState<__State>, Option<TraitImplRef>: SerializeState<__State>,

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fn serialize_state<__S>( &self, __state: &__State, __serializer: __S, ) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

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impl StructuralPartialEq for GlobalSource

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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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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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> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> Mappable for T
where T: Any + Send + Sync,

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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<T> TyVisitable for T
where T: AstVisitable,

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fn visit_vars(&mut self, v: &mut impl VarsVisitor)

Visit the variables contained in self, as seen from the outside of self. This means that any variable bound inside self will be skipped, and all the seen De Bruijn indices will count from the outside of self.
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fn substitute(self, generics: &GenericArgs) -> Self

Substitute the generic variables inside self by replacing them with the provided values. Note: if self is an item that comes from a TraitDecl, you must use substitute_with_self or substitute_inner_binder, otherwise you’ll get panics.
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fn substitute_inner_binder(self, generics: &GenericArgs) -> Self

Substitute the generic variables inside self by replacing them with the provided values. This is appropriate when substituting an inner binder.
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fn substitute_explicits(self, generics: &GenericArgs) -> Self

Substitute only the type, region and const generic args.
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fn substitute_with_self( self, generics: &GenericArgs, self_ref: &TraitRefKind, ) -> Self

Substitute the generic variables as well as the TraitRefKind::SelfId trait ref.
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fn substitute_with_tref(self, tref: &TraitRef) -> Self

Substitute the generic variables as well as the TraitRefKind::SelfId trait ref.
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fn try_substitute_with_tref( self, tref: &TraitRef, ) -> Result<Self, GenericsMismatch>

Substitute the generic variables as well as the TraitRefKind::SelfId trait ref.
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fn try_substitute( self, generics: &GenericArgs, ) -> Result<Self, GenericsMismatch>

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fn try_substitute_with_self( self, generics: &GenericArgs, self_ref: &TraitRefKind, ) -> Result<Self, GenericsMismatch>

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fn move_under_binder(self) -> Self

Move under one binder.
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fn move_under_binders(self, depth: DeBruijnId) -> Self

Move under depth binders.
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fn move_from_under_binder(self) -> Option<Self>

Move from under one binder.
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fn move_from_under_binders(self, depth: DeBruijnId) -> Option<Self>

Move the value out of depth binders. Returns None if it contains a variable bound in one of these depth binders.
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fn visit_db_id<B>( &mut self, f: impl FnMut(&mut DeBruijnId) -> ControlFlow<B>, ) -> ControlFlow<B>

Visit the de Bruijn ids contained in self, as seen from the outside of self. This means that any variable bound inside self will be skipped, and all the seen indices will count from the outside of self.
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fn replace_erased_regions(self, f: impl FnMut() -> Region) -> Self

Replace all the erased regions by the output of the provided function. Binders levels are handled automatically.
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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a [WithDispatch] wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a [WithDispatch] wrapper. Read more