Struct canonical_host::Wasm

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

A type with a corresponding wasm module

Implementations

impl<State, S> Wasm<State, S> where
    State: Canon<S>,
    S: Store,
    S::Error: HostError,
    S::Error: From<Signal>, 

pub fn new(state: State, bytecode: &[u8]) -> Self

Creates a new Wasm wrapper over an initial state.

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

Perform the provided query in the wasm module

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

Perform the provided transaction in the wasm module

Trait Implementations

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

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

Write the value as bytes to a Sink

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

Read the value from bytes in a Source

pub fn encoded_len(&self) -> usize

Returns the number of bytes needed to encode this value

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

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

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<S, State> Debug for Wasm<State, S> where
    State: Debug,
    S: Store, 

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

Formats the value using the given formatter.