LeffelMania

import Foundation

/*
https://www.ietf.org/archive/id/draft-peabody-dispatch-new-uuid-format-01.html#name-uuidv7-layout-and-bit-order
 
Binary Structure (128 bits):
 0                   1                   2                   3
 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
 ┌─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┐
 │                          unix_ts_ms                           │

LeffelMania

/*
# Step 1
 
#+------------------------------------+------------------------------------------------------------+--------+
#| Issuing network                    | Card prefixes                                              | Length |
#+------------------------------------+------------------------------------------------------------+--------+
#| American Express                   | 34, 37                                                     | 15     |
#| Diners Club International          | 36                                                         | 14     |

# Step 2 (Multple lengths, overlap in rules between Visa and Visa Electron)

LeffelMania

// Create a new command-line project in Xcode by going to
// File -> New -> Project
// Under "OS X" select "Application" and "Command Line Tool"
// Name the product whatever you want and set the type to "Foundation"
// Replace the created main.m file with this file

#import <Foundation/Foundation.h>

@interface Email : NSObject

LeffelMania

#import <UIKit/UIKit.h>

@interface UIView (FrameUtil)

@property (nonatomic, assign) CGPoint origin;
@property (nonatomic, assign) CGSize size;
@property (nonatomic, assign) CGFloat x, y, width, height;
@property (nonatomic, assign) CGFloat left, top, right, bottom;

@end