update

Author: joemphilips

bindings/src/lib.rs

@@ -98,14 +98,22 @@ impl FFITestOutputStruct {
 #[cfg(debug_assertions)]
 type FFITestOutputStructHandle<'a> = HandleShared<'a, FFITestOutputStruct>;
 
+type FFIFunctionPointer = extern "C" fn (*const FFITestInputStruct);
+
 #[cfg(debug_assertions)]
 ffi! {
+    fn ffi_test_funcion_ptr(struct_arg_ptr: Ref<FFITestInputStruct>, fn_ptr: Ref<FFIFunctionPointer>) -> FFIResult {
+        let func = unsafe_block!("" => fn_ptr.as_ref());
+        let struct_arg = unsafe_block!("" => struct_arg_ptr.as_ref());
+        (func)(struct_arg);
+        FFIResult::ok()
+    }
     fn ffi_test_simple_struct_with_function_pointer(
-        // input: Ref<FFITestInputStruct>,
+        input: Ref<FFITestInputStruct>,
         output: Out<FFITestOutputStructHandle>
     ) -> FFIResult {
-        // let input_arc = unsafe_block!(" " => input.as_arc());
-        // let result = FFITestOutputStruct{ field: input_arc };
+        let input_arc = unsafe_block!(" " => input.as_arc());
+        let result = FFITestOutputStruct{ field: input_arc };
         // result.field.call();
         // unsafe_block!("We know output is not null by wrapper macro. And we know `Out` is writable" => output.init(HandleShared::alloc(result)));
         FFIResult::ok()