Objective-C

Generate UUID

See more ULID/UUID Examples

Generates a version 4 UUID, using either uppercase or lowercase hex. Objective-C

#import <CkoStringBuilder.h>

CkoStringBuilder *sb = [[CkoStringBuilder alloc] init];

// Generate a lowercase UUID.
BOOL lowercase = YES;
[sb AppendUuid: lowercase];
NSLog(@"%@",[sb GetAsString]);

// example: edb1bb24-e9be-4ada-98bd-c2d893f29f55

lowercase = NO;
[sb Clear];
[sb AppendUuid: lowercase];
NSLog(@"%@",[sb GetAsString]);

// example: 338EAF28-631E-4303-BE27-A8D80E9191CB