Struct StackMemDB 

pub struct StackMemDB<const S: usize> { /* private fields */ }

Implementations

impl<const S: usize> StackMemDB<S>

pub fn new() -> Self

pub fn storage_len(&self) -> usize

pub fn insert(&mut self, value: ByteArray32) -> StorageOutcome

pub fn update( &mut self, old_value: ByteArray32, new_value: ByteArray32, ) -> StorageOutcome

Returns the updated value if any and if the new value already exists, it will fail updating

pub fn remove(&mut self, value: ByteArray32) -> StorageOutcome

pub fn find(&self, value: ByteArray32) -> Option<ByteArray32>

pub fn find_and_index( &self, value: ByteArray32, ) -> (Option<usize>, Option<ByteArray32>)

FIXME Sometimes returns None

Trait Implementations

impl<const S: usize> BorshDeserialize for StackMemDB<S>

where [ByteArray32; S]: BorshDeserialize,

fn deserialize(buf: &mut &[u8]) -> Result<Self, Error>

Deserializes this instance from a given slice of bytes. Updates the buffer to point at the remaining bytes.

fn try_from_slice(v: &[u8]) -> Result<Self, Error>

Deserialize this instance from a slice of bytes.

impl<const S: usize> BorshSerialize for StackMemDB<S>

where [ByteArray32; S]: BorshSerialize,

fn serialize<W: Write>(&self, writer: &mut W) -> Result<(), Error>

fn try_to_vec(&self) -> Result<Vec<u8>, Error>

Serialize this instance into a vector of bytes.

impl<const S: usize> Clone for StackMemDB<S>

fn clone(&self) -> StackMemDB<S>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<const S: usize> Ord for StackMemDB<S>

fn cmp(&self, other: &StackMemDB<S>) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl<const S: usize> PartialEq for StackMemDB<S>

fn eq(&self, other: &StackMemDB<S>) -> bool

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl<const S: usize> PartialOrd for StackMemDB<S>

fn partial_cmp(&self, other: &StackMemDB<S>) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

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

Tests less than (for self and other) and is used by the < operator.

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

Tests less than or equal to (for self and other) and is used by the <= operator.

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

Tests greater than (for self and other) and is used by the > operator.

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

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl<const S: usize> Copy for StackMemDB<S>

impl<const S: usize> Eq for StackMemDB<S>

impl<const S: usize> StructuralPartialEq for StackMemDB<S>