Struct StorageValue 

pub struct StorageValue<T: WordValue> {
    pub slot: StorageSlotId,
    /* private fields */
}

Typed access to a single account storage value.

Fields

slot: StorageSlotId

The underlying storage slot id.

Implementations

impl<T: WordValue> StorageValue<T>

pub const fn new(slot: StorageSlotId) -> Self

Creates a new typed storage-value handle for slot.

impl<T: WordValue> StorageValue<T>

pub fn get(&self) -> T

Reads the current value from account storage.

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

Sets an item value in the account storage and returns the previous value.

Trait Implementations

impl<T: Clone + WordValue> Clone for StorageValue<T>

fn clone(&self) -> StorageValue<T>

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<T: Copy + WordValue> Copy for StorageValue<T>

impl<T: Debug + WordValue> Debug for StorageValue<T>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<T: Eq + WordValue> Eq for StorageValue<T>

impl<T: WordValue> From<StorageSlotId> for StorageValue<T>

fn from(slot: StorageSlotId) -> Self

Converts to this type from the input type.

impl<T: PartialEq + WordValue> PartialEq for StorageValue<T>

fn eq(&self, other: &StorageValue<T>) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl<T: PartialEq + WordValue> StructuralPartialEq for StorageValue<T>