/* * Copyright (c) Facebook, Inc. and its affiliates. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. */ #import struct Origin { int x; int y; }; struct Rectangle { int width; int height; NSString* title; // bug Origin origin; }; @interface SomeButton : NSObject + (instancetype)newWithFrame:(Rectangle)aRect; @end SomeButton* buttonComponent(void); SomeButton* buttonComponent(void) { SomeButton* c; // bug c = [SomeButton newWithFrame:{}]; // bug c = [SomeButton newWithFrame:{.width = 100, .height = 200}]; // no bug c = [SomeButton newWithFrame:{.title = @"Button"}]; // bug c = [SomeButton newWithFrame:{.origin = {.x = 20, .y = 20}}]; return c; };