Function wasmtime_linker_instantiate_async 

#[unsafe(no_mangle)]
pub extern "C" fn wasmtime_linker_instantiate_async<'a>(
    linker: &'a wasmtime_linker_t,
    store: WasmtimeStoreContextMut<'a>,
    module: &'a wasmtime_module_t,
    instance_ptr: &'a mut Instance,
    trap_ret: &'a mut *mut wasm_trap_t,
    err_ret: &'a mut *mut wasmtime_error_t,
) -> Box<wasmtime_call_future_t<'a>>