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StableCell

ic_storage::adapter

Struct StableCell 

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pub struct StableCell<T: Storable, M: Memory = DefaultMemoryImpl> { /* private fields */ }
Expand description

Governed upstream Cell; initialization and failures follow upstream contracts.

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impl<T: Storable, M: Memory> StableCell<T, M>

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pub fn new(memory: RuntimeMemory<M>, value: T) -> Self

Delegates to upstream Cell::new with the governed allocation.

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pub fn init(memory: RuntimeMemory<M>, default_value: T) -> Self

Delegates to upstream Cell::init with the governed allocation.

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pub fn get(&self) -> &T

Delegates to upstream Cell::get with the governed allocation.

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pub fn set(&mut self, value: T) -> T

Delegates to upstream Cell::set with the governed allocation.

Auto Trait Implementations§

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impl<T, M = Rc<RefCell<Vec<u8>>>> !Freeze for StableCell<T, M>

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impl<T, M = Rc<RefCell<Vec<u8>>>> !RefUnwindSafe for StableCell<T, M>

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impl<T, M = Rc<RefCell<Vec<u8>>>> !Send for StableCell<T, M>

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impl<T, M = Rc<RefCell<Vec<u8>>>> !Sync for StableCell<T, M>

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impl<T, M = Rc<RefCell<Vec<u8>>>> !UnwindSafe for StableCell<T, M>

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impl<T, M> Unpin for StableCell<T, M>
where Cell<T, RuntimeMemory<M>>: Unpin,

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impl<T, M> UnsafeUnpin for StableCell<T, M>
where Cell<T, RuntimeMemory<M>>: UnsafeUnpin,

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> 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
where U: Into<T>,

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type Error = !

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, !>

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.