# Struct cargo::core::resolver::context::PublicDependency

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    pub struct PublicDependency {
        inner: HashMap<PackageId, HashMap<InternedString, (PackageId, usize, Option<usize>)>>,
    }

## Fields§

§`inner: HashMap<PackageId, HashMap<InternedString, (PackageId, usize, Option<usize>)>>`

For each active package the set of all the names it can see, for each name the exact package that name resolves to, the `ContextAge` when it was first visible, and the `ContextAge` when it was first exported.

## Implementations§

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### impl PublicDependency

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#### fn new() -> Self

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#### fn publicly_exports(&self, candidate_pid: PackageId) -> Vec<PackageId>

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#### fn publicly_exports_item( &self, candidate_pid: PackageId, target: PackageId ) -> Option<usize>

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#### pub fn can_see_item( &self, candidate_pid: PackageId, target: PackageId ) -> Option<usize>

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#### pub fn add_edge( &mut self, candidate_pid: PackageId, parent_pid: PackageId, is_public: bool, age: usize, parents: &Graph<PackageId, HashSet<Dependency>> )

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#### pub fn can_add_edge( &self, b_id: PackageId, parent: PackageId, is_public: bool, parents: &Graph<PackageId, HashSet<Dependency>> ) -> Result<(), (((PackageId, ConflictReason), (PackageId, ConflictReason)), Option<(PackageId, ConflictReason)>)>

## Trait Implementations§

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### impl Clone for PublicDependency

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#### fn clone(&self) -> PublicDependency

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 Debug for PublicDependency

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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 Default for PublicDependency

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#### fn default() -> PublicDependency

Returns the “default value” for a type. Read more

## Auto Trait Implementations§

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### impl RefUnwindSafe for PublicDependency

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### impl !Send for PublicDependency

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### impl !Sync for PublicDependency

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### impl Unpin for PublicDependency

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### impl UnwindSafe for PublicDependency

## 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,

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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 Twhere 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> 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 Twhere 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> Same<T> for T

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#### type Output = T

Should always be `Self`
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### impl<T> ToOwned for Twhere 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 Twhere 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 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.
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#### fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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### impl<V, T> VZip<V> for Twhere V: MultiLane<T>,

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#### fn vzip(self) -> V

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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

## 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: 24 bytes