Struct fuel_storage::StorageRef

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pub struct StorageRef<'a, T: 'a + ?Sized, Type: Mappable>(_, _);

Expand description

The wrapper around the storage that supports only methods from StorageInspect.

Implementations

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impl<'a, T: StorageInspect<Type>, Type: Mappable> StorageRef<'a, T, Type>

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pub fn get(
self,
key: &Type::Key
) -> Result<Option<Cow<'a, Type::GetValue>>, T::Error>

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pub fn contains_key(self, key: &Type::Key) -> Result<bool, T::Error>

Auto Trait Implementations

impl<'a, T: ?Sized, Type> RefUnwindSafe for StorageRef<'a, T, Type>where
T: RefUnwindSafe,
Type: RefUnwindSafe,

impl<'a, T: ?Sized, Type> Send for StorageRef<'a, T, Type>where
T: Sync,
Type: Send,

impl<'a, T: ?Sized, Type> Sync for StorageRef<'a, T, Type>where
T: Sync,
Type: Sync,

impl<'a, T: ?Sized, Type> Unpin for StorageRef<'a, T, Type>where
Type: Unpin,

impl<'a, T: ?Sized, Type> UnwindSafe for StorageRef<'a, T, Type>where
T: RefUnwindSafe,
Type: UnwindSafe,

Blanket Implementations

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impl<T> Any for Twhere
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 Twhere
T: ?Sized,

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for Twhere
T: ?Sized,

const: unstable · source

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

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for Twhere
U: From<T>,

const: unstable · source

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 for Twhere
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for Twhere
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

Struct fuel_storage::StorageRef

Implementations

impl<'a, T: StorageInspect<Type>, Type: Mappable> StorageRef<'a, T, Type>

pub fn get(
self,
key: &Type::Key
) -> Result<Option<Cow<'a, Type::GetValue>>, T::Error>

pub fn contains_key(self, key: &Type::Key) -> Result<bool, T::Error>

Auto Trait Implementations

impl<'a, T: ?Sized, Type> RefUnwindSafe for StorageRef<'a, T, Type>where
T: RefUnwindSafe,
Type: RefUnwindSafe,

impl<'a, T: ?Sized, Type> Send for StorageRef<'a, T, Type>where
T: Sync,
Type: Send,

impl<'a, T: ?Sized, Type> Sync for StorageRef<'a, T, Type>where
T: Sync,
Type: Sync,

impl<'a, T: ?Sized, Type> Unpin for StorageRef<'a, T, Type>where
Type: Unpin,

impl<'a, T: ?Sized, Type> UnwindSafe for StorageRef<'a, T, Type>where
T: RefUnwindSafe,
Type: UnwindSafe,

Blanket Implementations

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

fn type_id(&self) -> TypeId

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

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for Twhere
T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

fn from(t: T) -> T

impl<T, U> Into<U> for Twhere
U: From<T>,

fn into(self) -> U

impl<'a, T> StorageAsMut for T

fn storage<Type>(&mut self) -> StorageMut<'_, Self, Type>where
Type: Mappable,

impl<'a, T> StorageAsRef for T

fn storage<Type>(&self) -> StorageRef<'_, Self, Type>where
Type: Mappable,

impl<T, U> TryFrom<U> for Twhere
U: Into<T>,

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for Twhere
U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Struct fuel_storage::StorageRef

Implementations

impl<'a, T: StorageInspect<Type>, Type: Mappable> StorageRef<'a, T, Type>

pub fn get( self, key: &Type::Key) -> Result<Option<Cow<'a, Type::GetValue>>, T::Error>

pub fn contains_key(self, key: &Type::Key) -> Result<bool, T::Error>

Auto Trait Implementations

impl<'a, T: ?Sized, Type> RefUnwindSafe for StorageRef<'a, T, Type>where T: RefUnwindSafe, Type: RefUnwindSafe,

impl<'a, T: ?Sized, Type> Send for StorageRef<'a, T, Type>where T: Sync, Type: Send,

impl<'a, T: ?Sized, Type> Sync for StorageRef<'a, T, Type>where T: Sync, Type: Sync,

impl<'a, T: ?Sized, Type> Unpin for StorageRef<'a, T, Type>where Type: Unpin,

impl<'a, T: ?Sized, Type> UnwindSafe for StorageRef<'a, T, Type>where T: RefUnwindSafe, Type: UnwindSafe,

Blanket Implementations

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

fn type_id(&self) -> TypeId

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

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for Twhere T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

fn from(t: T) -> T

impl<T, U> Into<U> for Twhere U: From<T>,

fn into(self) -> U

impl<'a, T> StorageAsMut for T

fn storage<Type>(&mut self) -> StorageMut<'_, Self, Type>where Type: Mappable,

impl<'a, T> StorageAsRef for T

fn storage<Type>(&self) -> StorageRef<'_, Self, Type>where Type: Mappable,

impl<T, U> TryFrom<U> for Twhere U: Into<T>,

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

pub fn get(
self,
key: &Type::Key
) -> Result<Option<Cow<'a, Type::GetValue>>, T::Error>

impl<'a, T: ?Sized, Type> RefUnwindSafe for StorageRef<'a, T, Type>where
T: RefUnwindSafe,
Type: RefUnwindSafe,

impl<'a, T: ?Sized, Type> Send for StorageRef<'a, T, Type>where
T: Sync,
Type: Send,

impl<'a, T: ?Sized, Type> Sync for StorageRef<'a, T, Type>where
T: Sync,
Type: Sync,

impl<'a, T: ?Sized, Type> Unpin for StorageRef<'a, T, Type>where
Type: Unpin,

impl<'a, T: ?Sized, Type> UnwindSafe for StorageRef<'a, T, Type>where
T: RefUnwindSafe,
Type: UnwindSafe,

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

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

impl<T> BorrowMut<T> for Twhere
T: ?Sized,

impl<T, U> Into<U> for Twhere
U: From<T>,

fn storage<Type>(&mut self) -> StorageMut<'_, Self, Type>where
Type: Mappable,

fn storage<Type>(&self) -> StorageRef<'_, Self, Type>where
Type: Mappable,

impl<T, U> TryFrom<U> for Twhere
U: Into<T>,

impl<T, U> TryInto<U> for Twhere
U: TryFrom<T>,