pub(crate) fn gen_fn_callback_s1<A1: FromToNativeWasmType, Rets: WasmTypeList, RetsAsResult: IntoResult<Rets>, T: Send + 'static, Func: Fn(FunctionEnvMut<'_, T>, A1) -> RetsAsResult + 'static>(
this: &Func,
) -> VMFunctionCallbackpub(crate) fn gen_fn_callback_s1<A1: FromToNativeWasmType, Rets: WasmTypeList, RetsAsResult: IntoResult<Rets>, T: Send + 'static, Func: Fn(FunctionEnvMut<'_, T>, A1) -> RetsAsResult + 'static>(
this: &Func,
) -> VMFunctionCallback