1 void g1(int * _Nonnull); 2 3 void g2(int (^block)(int, int)); // expected-warning{{block pointer is missing a nullability type specifier}} 4 // expected-note@-1 {{insert '_Nullable' if the block pointer may be null}} 5 // expected-note@-2 {{insert '_Nonnull' if the block pointer should never be null}} 6 7 void g3(const 8 id // expected-warning{{missing a nullability type specifier}} 9 volatile 10 // expected-note@-1 {{insert '_Nullable' if the pointer may be null}} 11 // expected-note@-2 {{insert '_Nonnull' if the pointer should never be null}} 12 * // expected-warning{{missing a nullability type specifier}} 13 // expected-note@-1 {{insert '_Nullable' if the pointer may be null}} 14 // expected-note@-2 {{insert '_Nonnull' if the pointer should never be null}} 15 ); 16 17 @interface SomeClass 18 @property (retain,nonnull) id property1; 19 @property (retain,nullable) SomeClass *property2; 20 - (nullable SomeClass *)method1; 21 - (void)method2:(nonnull SomeClass *)param; 22 @property (readonly, weak) SomeClass *property3; 23 @end 24 25 @interface SomeClass () 26 @property (readonly, weak) SomeClass *property4; 27 @end 28