[−][src]Struct cosmwasm_storage::TypedStorage
Implementations
impl<'a, S: Storage, T> TypedStorage<'a, S, T> where
T: Serialize + DeserializeOwned,
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T: Serialize + DeserializeOwned,
pub fn new(storage: &'a mut S) -> Self
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pub fn save(&mut self, key: &[u8], data: &T) -> StdResult<()>
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save will serialize the model and store, returns an error on serialization issues
pub fn load(&self, key: &[u8]) -> StdResult<T>
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load will return an error if no data is set at the given key, or on parse error
pub fn may_load(&self, key: &[u8]) -> StdResult<Option<T>>
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may_load will parse the data stored at the key if present, returns Ok(None) if no data there. returns an error on issues parsing
pub fn update<A>(&mut self, key: &[u8], action: A) -> StdResult<T> where
A: FnOnce(Option<T>) -> StdResult<T>,
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A: FnOnce(Option<T>) -> StdResult<T>,
update will load the data, perform the specified action, and store the result in the database. This is shorthand for some common sequences, which may be useful
This is the least stable of the APIs, and definitely needs some usage
Auto Trait Implementations
impl<'a, S, T> RefUnwindSafe for TypedStorage<'a, S, T> where
S: RefUnwindSafe,
T: RefUnwindSafe,
S: RefUnwindSafe,
T: RefUnwindSafe,
impl<'a, S, T> Send for TypedStorage<'a, S, T> where
S: Send,
T: Sync,
S: Send,
T: Sync,
impl<'a, S, T> Sync for TypedStorage<'a, S, T> where
S: Sync,
T: Sync,
S: Sync,
T: Sync,
impl<'a, S, T> Unpin for TypedStorage<'a, S, T>
impl<'a, S, T> !UnwindSafe for TypedStorage<'a, S, T>
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,