rumandcode

__unsafe_unretained __block void (__weak ^recursiveBlock)(int, int) = ^ void (int a, int b) {
        
        NSLog(@"%d", a);
        int n = a + b;
        recursiveBlock(b, n);
    };
    
recursiveBlock(0, 1);

rumandcode

#import <Foundation/Foundation.h>
 
 
/** ClassGetSubclasses
 
 Returns all subclasses for a given class by interrogating every class in the 
 runtime. Results are cached to save time on repeat calls for the same class.
*/
extern NSArray *ClassGetSubclasses(Class parentClass);

rumandcode

import argparse
 
parser = argparse.ArgumentParser(description='Python script for rendering ASCII Grid format terrain data to a height map.')
 
parser.add_argument('path-to-ascii-file', metavar='<path-to-ascii-file>', type=str,
                   help='path to the ASCII Grid format file')
parser.add_argument('output-path', metavar='<output-path>', type=str,
                   help='file path to write the output PNG to')
 
args = vars(parser.parse_args())