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PeerMap

Struct PeerMap 

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pub struct PeerMap { /* private fields */ }
Expand description

Helper structure to efficiently retrieve peers via their peer.

A lot of responses include the peers related to them in the form of a list of users and peers, making it annoying to extract a specific peer. This structure lets you save those separate vectors in a single place and query them by using a Peer.

While this type derives Clone for convenience, it is recommended to use PeerMap::handle instead to signal that it is a cheap clone.

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impl PeerMap

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pub fn get(&self, peer: PeerId) -> Option<&Peer>

Retrieve the full Peer object given its PeerId.

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pub async fn get_ref(&self, peer: PeerId) -> Option<PeerRef>

Retrieve a non-min PeerRef from either the in-memory cache or the session.

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pub fn take(&mut self, peer: PeerId) -> Option<Peer>

Take the full Peer object given its PeerId.

The peer will be removed from the map if there are no other strong references to it.

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pub fn iter(&self) -> impl Iterator<Item = (PeerId, &Peer)>

Iterate over the peers and peers in the map.

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pub fn iter_peers(&self) -> impl Iterator<Item = &Peer>

Iterate over the peers in the map.

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pub fn handle(&self) -> Self

Return a new strong reference to the map and session contained within.

Trait Implementations§

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impl Clone for PeerMap

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fn clone(&self) -> PeerMap

Returns a duplicate 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<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<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> Same for T

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type Output = T

Should always be Self
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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

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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

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