ClientSessionStateMut

Struct ClientSessionStateMut 

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pub struct ClientSessionStateMut<'session>(/* private fields */);
Expand description

A mutable reference to the client-side state of a session.

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impl ClientSessionStateMut<'_>

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pub fn get<T: DeserializeOwned>( &self, key: &str, ) -> Result<Option<T>, ValueDeserializationError>

Get the value associated with key from the client-side state.

If the value is not found, None is returned. If the value is found, but it cannot be deserialized into the expected type, an error is returned.

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pub fn get_raw<'a>(&'a self, key: &str) -> Option<&'a Value>

Get the raw JSON value associated with key from the client-side state.

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pub fn is_empty(&self) -> bool

Returns true if there are no values in the client-side state.

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pub fn insert<T, Key>( &mut self, key: Key, value: T, ) -> Result<Option<Value>, ValueSerializationError>
where T: Serialize, Key: Into<Cow<'static, str>>,

Insert a value in the client-side state for the given key.

If the key already exists, the value is updated and the old raw value is returned. If the value cannot be serialized, an error is returned.

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pub fn insert_raw<Key>(&mut self, key: Key, value: Value) -> Option<Value>
where Key: Into<Cow<'static, str>>,

Insert a value in the client-side state for the given key.

If the key already exists, the value is updated and the old value is returned.

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pub fn remove<T: DeserializeOwned>( &mut self, key: &str, ) -> Result<Option<T>, ValueDeserializationError>

Remove the value associated with key from the client-side state.

If the key exists, the removed value is returned. If the removed value cannot be serialized, an error is returned.

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pub fn remove_raw(&mut self, key: &str) -> Option<Value>

Remove the value associated with key from the client-side state.

If the key exists, the removed value is returned.

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pub fn clear(&mut self)

Remove all key-value pairs from the client-side state.

This doesn’t invalidate the session—you must invoke Session::invalidate if you want to delete the session altogether.

Auto Trait Implementations§

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impl<'session> Freeze for ClientSessionStateMut<'session>

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impl<'session> !RefUnwindSafe for ClientSessionStateMut<'session>

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impl<'session> !Send for ClientSessionStateMut<'session>

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impl<'session> !Sync for ClientSessionStateMut<'session>

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impl<'session> Unpin for ClientSessionStateMut<'session>

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impl<'session> !UnwindSafe for ClientSessionStateMut<'session>

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