Struct stack_memdb::StackMemDB

source · [−]

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

Implementations

source

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

source

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

source

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

source

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

FIXME Sometimes returns None

Trait Implementations

source

impl<const S: usize> BorshDeserialize for StackMemDB<S> where
[ByteArray32 ; S]: BorshDeserialize,

source

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. Read more

source

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

Deserialize this instance from a slice of bytes.

source

impl<const S: usize> BorshSerialize for StackMemDB<S> where
[ByteArray32 ; S]: BorshSerialize,

source

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

source

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

Serialize this instance into a vector of bytes.

source

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

source

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

Returns a copy of the value. Read more

1.0.0 · source

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

Performs copy-assignment from source. Read more

source

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

source

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

This method returns an Ordering between self and other. Read more

1.21.0 · source

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

Compares and returns the maximum of two values. Read more

1.21.0 · source

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

Compares and returns the minimum of two values. Read more

1.50.0 · source

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

Restrict a value to a certain interval. Read more

source

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

source

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

This method tests for self and other values to be equal, and is used by ==. Read more

source

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

This method tests for !=.

source

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

source

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

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

1.0.0 · source

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

This method tests less than (for self and other) and is used by the < operator. Read more

1.0.0 · source

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

This method tests less than or equal to (for self and other) and is used by the <= operator. Read more

1.0.0 · source

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

This method tests greater than (for self and other) and is used by the > operator. Read more

1.0.0 · source

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

This method tests greater than or equal to (for self and other) and is used by the >= operator. Read more

source

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

source

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

source

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

source

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

Auto Trait Implementations

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

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

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

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

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

Blanket Implementations

source

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

source

pub fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

source

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

const: unstable · source

pub fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

source

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

const: unstable · source

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

Mutably borrows from an owned value. Read more

source

impl<T> From<T> for T

const: unstable · source

pub fn from(t: T) -> T

Returns the argument unchanged.

source

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

const: unstable · source

pub fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

source

impl<T> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

source

pub fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

source

pub fn clone_into(&self, target: &mut T)

🔬 This is a nightly-only experimental API. (toowned_clone_into)

Uses borrowed data to replace owned data, usually by cloning. Read more

source

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

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

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

Performs the conversion.

source

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

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

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

Performs the conversion.

Struct stack_memdb::StackMemDB

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

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>)

Trait Implementations

impl<const S: usize> BorshDeserialize for StackMemDB<S> where [ByteArray32; S]: BorshDeserialize,

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

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

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, Global>, Error>

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Auto Trait Implementations

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

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

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

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

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

Blanket Implementations

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

pub fn type_id(&self) -> TypeId

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

pub fn borrow(&self) -> &T

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

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

impl<T> From<T> for T

pub fn from(t: T) -> T

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

pub fn into(self) -> U

impl<T> ToOwned for T where T: Clone,

type Owned = T

pub fn to_owned(&self) -> T

pub fn clone_into(&self, target: &mut T)

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

type Error = Infallible

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

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

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

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

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

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

impl<const S: usize> BorshDeserialize for StackMemDB<S> where
[ByteArray32 ; S]: BorshDeserialize,

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

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

impl<const S: usize> BorshSerialize for StackMemDB<S> where
[ByteArray32 ; S]: BorshSerialize,

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

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

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

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

impl<T> ToOwned for T where
T: Clone,

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

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