Struct canonical_host::Wasm

pub struct Wasm<State: Module, S: Store> { /* fields omitted */ }

A type with a corresponding wasm module

Implementations

impl<State, S> Wasm<State, S> where
    State: Canon<S> + Module + Debug,
    S: Store,
    S::Error: HostError, 

pub fn new(state: State) -> Self

Creates a new Wasm wrapper over an initial state.

pub fn query<A, R>(
    &self,
    query: &Query<A, R>,
    store: S
) -> Result<Result<R, S::Error>, Error> where
    A: Canon<S>,
    R: Canon<S>, 

Perform the provided query in the wasm module

pub fn transact<A, R>(
    &mut self,
    transaction: &Transaction<A, R>,
    store: S
) -> Result<Result<R, S::Error>, Error> where
    A: Canon<S>,
    R: Canon<S>,
    S::Error: HostError, 

Perform the provided transaction in the wasm module

Trait Implementations

impl<State: Module + Canon<S>, S: Store + Canon<S>> Canon<S> for Wasm<State, S>

fn write(&self, sink: &mut impl Sink<S>) -> Result<(), S::Error>

Write the value as bytes to a Sink

fn read(source: &mut impl Source<S>) -> Result<Self, S::Error>

Read the value from bytes in a Source

fn encoded_len(&self) -> usize

Returns the number of bytes needed to encode this value

impl<State: Clone + Module, S: Clone + Store> Clone for Wasm<State, S>

fn clone(&self) -> Wasm<State, S>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<State: Debug + Module, S: Debug + Store> Debug for Wasm<State, S>

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

Formats the value using the given formatter.