Struct wasmedge_sys::instance::function::FuncRef

pub struct FuncRef { /* private fields */ }

Defines a reference to a host function.

Implementations

impl FuncRef

pub fn ty(&self) -> WasmEdgeResult<FuncType>

Returns the underlying wasm type of the host function this FuncRef points to.

Errors

If fail to get the function type, then an error is returned.

pub fn call<E: Engine>( &self, engine: &E, args: impl IntoIterator<Item = WasmValue> ) -> WasmEdgeResult<Vec<WasmValue>>

Runs this host function the reference refers to.

Arguments

• engine - The object implementing the Engine trait.

• args - The arguments passed to the host function.

Error

If fail to run the host function, then an error is returned.

Trait Implementations

impl Clone for FuncRef

fn clone(&self) -> FuncRef

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for FuncRef

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

Formats the value using the given formatter.

impl Drop for FuncRef

fn drop(&mut self)

Executes the destructor for this type.