Trait ComponentInstanceState 

pub trait ComponentInstanceState: Send {
    // Required methods
    fn call_func_ret_list_u8(
        &mut self,
        instance: &str,
        func: &str,
        contents: impl FnOnce(&[u8]) + Send,
    ) -> impl Future<Output = ()> + Send;
    fn call_func_ret_s32(
        &mut self,
        instance: &str,
        func: &str,
    ) -> impl Future<Output = i32> + Send;
    fn call_func_ret_s64(
        &mut self,
        instance: &str,
        func: &str,
    ) -> impl Future<Output = i64> + Send;
    fn call_func_ret_f32(
        &mut self,
        instance: &str,
        func: &str,
    ) -> impl Future<Output = u32> + Send;
    fn call_func_ret_f64(
        &mut self,
        instance: &str,
        func: &str,
    ) -> impl Future<Output = u64> + Send;
}

Available on crate feature component-model only.

Trait representing the ability to invoke functions on a component to learn about its internal state.

Required Methods

fn call_func_ret_list_u8( &mut self, instance: &str, func: &str, contents: impl FnOnce(&[u8]) + Send, ) -> impl Future<Output = ()> + Send

Looks up the exported instance which has func as an export, calls it, and returns the list<u8> return type.

fn call_func_ret_s32( &mut self, instance: &str, func: &str, ) -> impl Future<Output = i32> + Send

Same as Self::call_func_ret_list_u8, but for the s32 WIT type.

fn call_func_ret_s64( &mut self, instance: &str, func: &str, ) -> impl Future<Output = i64> + Send

Same as Self::call_func_ret_list_u8, but for the s64 WIT type.

fn call_func_ret_f32( &mut self, instance: &str, func: &str, ) -> impl Future<Output = u32> + Send

Same as Self::call_func_ret_list_u8, but for the f32 WIT type.

fn call_func_ret_f64( &mut self, instance: &str, func: &str, ) -> impl Future<Output = u64> + Send

Same as Self::call_func_ret_list_u8, but for the f64 WIT type.

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors

impl<T: Send> ComponentInstanceState for WasmtimeWizerComponent<'_, T>

Available on crate feature wasmtime only.