Struct soroban_sdk::storage::Persistent

impl Persistent

pub fn has<K>(&self, key: &K) -> bool
where K: IntoVal<Env, Val>,

pub fn get<K, V>(&self, key: &K) -> Option<V>
where V::Error: Debug, K: IntoVal<Env, Val>, V: TryFromVal<Env, Val>,

pub fn set<K, V>(&self, key: &K, val: &V)
where K: IntoVal<Env, Val>, V: IntoVal<Env, Val>,

pub fn extend_ttl<K>(&self, key: &K, threshold: u32, extend_to: u32)
where K: IntoVal<Env, Val>,

pub fn remove<K>(&self, key: &K)
where K: IntoVal<Env, Val>,

Trait Implementations§

impl Persistent for Persistent

Available on crate feature testutils only.

fn all(&self) -> Map<Val, Val>

Returns all data stored in persistent storage for the contract.

Auto Trait Implementations§

impl !UnwindSafe for Persistent

Blanket Implementations§

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T, C> Compare<&T> for C
where C: Compare<T>,

type Error = <C as Compare<T>>::Error

fn compare(&self, a: &&T, b: &&T) -> Result<Ordering, <C as Compare<&T>>::Error>

impl<T, U, E, C> Compare<(T, U)> for C
where C: Compare<T, Error = E, Error = E> + Compare,

type Error = E

fn compare( &self, a: &(T, U), b: &(T, U) ) -> Result<Ordering, <C as Compare<(T, U)>>::Error>

impl<T, U, V, E, C> Compare<(T, U, V)> for C
where C: Compare<T, Error = E, Error = E, Error = E> + Compare + Compare<V>,

type Error = E

fn compare( &self, a: &(T, U, V), b: &(T, U, V) ) -> Result<Ordering, <C as Compare<(T, U, V)>>::Error>

impl<T, U, V, W, E, C> Compare<(T, U, V, W)> for C
where C: Compare<T, Error = E, Error = E, Error = E, Error = E> + Compare + Compare<V> + Compare<W>,

type Error = E

fn compare( &self, a: &(T, U, V, W), b: &(T, U, V, W) ) -> Result<Ordering, <C as Compare<(T, U, V, W)>>::Error>

impl<T, U, V, W, X, E, C> Compare<(T, U, V, W, X)> for C
where C: Compare<T, Error = E, Error = E, Error = E, Error = E, Error = E> + Compare + Compare<V> + Compare<W> + Compare<X>,

type Error = E

fn compare( &self, a: &(T, U, V, W, X), b: &(T, U, V, W, X) ) -> Result<Ordering, <C as Compare<(T, U, V, W, X)>>::Error>

impl<T, C> Compare<Box<T>> for C
where C: Compare<T>,

type Error = <C as Compare<T>>::Error

fn compare( &self, a: &Box<T>, b: &Box<T> ) -> Result<Ordering, <C as Compare<Box<T>>>::Error>

impl<T, C> Compare<Option<T>> for C
where C: Compare<T>,

type Error = <C as Compare<T>>::Error

fn compare( &self, a: &Option<T>, b: &Option<T> ) -> Result<Ordering, <C as Compare<Option<T>>>::Error>

impl<T, C> Compare<Rc<T>> for C
where C: Compare<T>,

type Error = <C as Compare<T>>::Error

fn compare( &self, a: &Rc<T>, b: &Rc<T> ) -> Result<Ordering, <C as Compare<Rc<T>>>::Error>

impl<T, C> Compare<Vec<T>> for C
where C: Compare<T>,

type Error = <C as Compare<T>>::Error

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where T: Any,

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Convert Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>. Box<dyn Any> can then be further downcast into Box<ConcreteType> where ConcreteType implements Trait.

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Convert Rc<Trait> (where Trait: Downcast) to Rc<Any>. Rc<Any> can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait.

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Convert &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s.

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Convert &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s.

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Returns the argument unchanged.

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Performs the conversion.

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Performs the conversion.

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