Method async_exec

core/src/vm/mod.rs:633–637

(&self, scope: Scope<'_>)

        }

        async fn async_exec(&self, scope: Scope<'_>) -> CallResult<()> {
            let value = scope.get_integer(0) + 1;
            yield_now().await;
            scope.return_integer(value)
        }
    }

    struct AsyncIoErrorCommand {