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37 lines
1.4 KiB
Objective-C
37 lines
1.4 KiB
Objective-C
/* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#import "ASScrollDirection.h"
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const ASScrollDirection ASScrollDirectionHorizontalDirections = ASScrollDirectionLeft | ASScrollDirectionRight;
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const ASScrollDirection ASScrollDirectionVerticalDirections = ASScrollDirectionUp | ASScrollDirectionDown;
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BOOL ASScrollDirectionContainsVerticalDirection(ASScrollDirection scrollDirection) {
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return (scrollDirection & ASScrollDirectionVerticalDirections) != 0;
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}
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BOOL ASScrollDirectionContainsHorizontalDirection(ASScrollDirection scrollDirection) {
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return (scrollDirection & ASScrollDirectionHorizontalDirections) != 0;
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}
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BOOL ASScrollDirectionContainsRight(ASScrollDirection scrollDirection) {
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return (scrollDirection & ASScrollDirectionRight) != 0;
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}
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BOOL ASScrollDirectionContainsLeft(ASScrollDirection scrollDirection) {
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return (scrollDirection & ASScrollDirectionLeft) != 0;
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}
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BOOL ASScrollDirectionContainsUp(ASScrollDirection scrollDirection) {
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return (scrollDirection & ASScrollDirectionUp) != 0;
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}
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BOOL ASScrollDirectionContainsDown(ASScrollDirection scrollDirection) {
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return (scrollDirection & ASScrollDirectionDown) != 0;
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}
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