Struct CompositeStorage

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pub struct CompositeStorage { /* private fields */ }
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Composite storage that can combine multiple storage backends.

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impl CompositeStorage

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pub fn new(primary: Box<dyn Storage>) -> Self

Create a new composite storage with primary storage.

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pub fn with_secondary(self, secondary: Box<dyn Storage>) -> Self

Add a secondary storage backend.

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impl Storage for CompositeStorage

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fn store_role(&mut self, role: Role) -> Result<()>

Store a role.
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fn get_role(&self, name: &str) -> Result<Option<Role>>

Get a role by name.
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fn role_exists(&self, name: &str) -> Result<bool>

Check if a role exists.
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fn delete_role(&mut self, name: &str) -> Result<bool>

Delete a role.
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fn list_roles(&self) -> Result<Vec<String>>

List all role names.
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fn update_role(&mut self, role: Role) -> Result<()>

Update an existing role.
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fn role_count(&self) -> usize

Get the number of stored roles.

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

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fn type_id(&self) -> TypeId

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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

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impl<T> BorrowMut<T> for T
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fn borrow_mut(&mut self) -> &mut T

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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, U> TryFrom<U> for T
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type Error = Infallible

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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>

Performs the conversion.