Let us write objc code just like ruby.
NSArray* testArray = @[@1,@2,@3,@4,@5];
NSLog(@"Origin %@",testArray.join(@","));Origin 1,2,3,4,5
NSString* mapString = testArray.map(^id(id x) {
return @([x integerValue] * 3);
}).join(@",");
NSLog(@"Map-> %@",mapString);Map-> 3,6,9,12,15
NSString* filterString = testArray.filter(^BOOL(id x) {
return [x integerValue] %2 == 0;
}).join(@",");
NSLog(@"Filter-> %@",filterString);Filter-> 2,4
NSString* text = @"Let us write objc code just like ruby.";
NSLog(@"%@",text.split(@" ").reverse.join(@" "));ruby. like just code objc write us Let