session-ios/SignalUtilitiesKit/Utilities/NSArray+OWS.m
2021-02-09 15:14:18 +11:00

25 lines
542 B
Objective-C

//
// Copyright (c) 2017 Open Whisper Systems. All rights reserved.
//
#import "NSArray+OWS.h"
#import "TSYapDatabaseObject.h"
NS_ASSUME_NONNULL_BEGIN
@implementation NSArray (OWS)
- (NSArray<NSString *> *)uniqueIds
{
NSMutableArray<NSString *> *result = [NSMutableArray new];
for (id object in self) {
OWSAssertDebug([object isKindOfClass:[TSYapDatabaseObject class]]);
TSYapDatabaseObject *dbObject = object;
[result addObject:dbObject.uniqueId];
}
return result;
}
@end
NS_ASSUME_NONNULL_END