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37 lines
827 B
37 lines
827 B
3 years ago
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/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#import <Foundation/Foundation.h>
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@interface MyEnumerator : NSObject<NSFastEnumeration>
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@end
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void loop_enumerator_linear(MyEnumerator* enumeration) {
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for (id obj in enumeration) {
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}
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}
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void call_loop_enumerator_constant() {
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NSArray* arr = @[ @1, @2, @3 ];
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loop_enumerator_linear(arr);
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}
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void loop_id_enumerator_linear(id<NSFastEnumeration, NSCopying> enumeration) {
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for (id obj in enumeration) {
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}
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}
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void call_loop_id_enumerator_linear(NSArray* arr) {
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loop_id_enumerator_linear(arr);
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}
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@interface A : NSObject<NSCopying>
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@end
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void loop_enumerator_over_class_linear(A<NSFastEnumeration>* a) {
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for (id obj in a) {
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}
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}
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