40 lines
898 B
Mathematica
40 lines
898 B
Mathematica
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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#import "RLMCollectionChange+IndexSet.h"
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@implementation RLMCollectionChange (IndexSet)
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#pragma mark - Public
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- (NSIndexSet *)deletionsSet
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{
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return [self indexSetFromNumbersArray:[self deletions]];
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}
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- (NSIndexSet *)insertionsSet
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{
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return [self indexSetFromNumbersArray:[self insertions]];
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}
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- (NSIndexSet *)modificationsSet
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{
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return [self indexSetFromNumbersArray:[self modifications]];
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}
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#pragma mark - Private
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- (NSIndexSet *)indexSetFromNumbersArray:(NSArray<NSNumber *> *)numbersArray
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{
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NSMutableIndexSet *set = [NSMutableIndexSet new];
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for (NSNumber *number in numbersArray) {
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[set addIndex:number.integerValue];
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}
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return [set copy];
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}
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@end
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