Swiftgram/AsyncDisplayKit/TextKit/ASEqualityHashHelpers.mm
Michael Schneider 2388f67474 [ASTextNode] Add NSCache based cache for ASTextKitRenderer (#2199)
* Add cache implementation

* Remove old ASEqualityHashHelpers

* Some more ASEquality and ASEqualityHashHelper cleanup

* Add cache for text renderer in ASTextNode

* Move from C++ LRU renderer cache to NSCache based renderer cache
2016-09-06 15:23:21 -07:00

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//
// ASEqualityHashHelpers.mm
// AsyncDisplayKit
//
// 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"
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);
}