Swiftgram/AsyncDisplayKit/ASEqualityHashHelpers.mm
2015-11-30 06:53:50 -08:00

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/*
* Copyright (c) 2014-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
*/
#import "ASEqualityHashHelpers.h"
#import <functional>
#import <objc/runtime.h>
#import <stdio.h>
#import <string>
NSUInteger ASIntegerArrayHash(const NSUInteger *subhashes, NSUInteger count)
{
uint64_t result = subhashes[0];
for (int ii = 1; ii < count; ++ii) {
result = ASHashCombine(result, subhashes[ii]);
}
return ASHash64ToNative(result);
}