pragma clang diagnostic push
pragma clang diagnostic ignored "-相关命令"
//需要操作的代码
pragma clang diagnostic pop
1：忽略弃用的警告⚠️
//方法弃用告警
pragma clang diagnostic push
pragma clang diagnostic ignored "-Wdeprecated-declarations"
UIAlertView *alertViewTmp = [[UIAlertView alloc]initWithTitle:@"" message:@"" delegate:nil cancelButtonTitle:@"" otherButtonTitles:@"", nil];
[alertViewTmp show];
pragma clang diagnostic pop
2：忽略不兼容指针类型⚠️
// 不兼容指针类型
pragma clang diagnostic push
pragma clang diagnostic ignored "-Wincompatible-pointer-types"
//
pragma clang diagnostic pop
3：循环引用⚠️
break the retain cycle.
pragma clang diagnostic push
pragma clang diagnostic ignored "-Warc-retain-cycles"
// self.completionBlock = ^ {
// ...
// };
pragma clang diagnostic pop
4：未使用变量⚠
// 未使用变量
pragma clang diagnostic push
pragma clang diagnostic ignored "-Wunused-variable"
int a;
pragma clang diagnostic pop
5.未使用默认⚠️
pragma clang diagnostic push
pragma clang diagnostic ignored "-Wcovered-switch-default"
// switch (style) {
// case UITableViewCellStyleDefault:
// case UITableViewCellStyleValue1:
// case UITableViewCellStyleValue2:
// case UITableViewCellStyleSubtitle:
// // ...
// default:
// return;
// }
