Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Welcome To Ask or Share your Answers For Others

Categories

0 votes
616 views
in Technique[技术] by (71.8m points)

cocoa - how to convert a range to NSArray in Objective-C

I know how to do it in Ruby, converting a range of numbers to an array. But how is it possible in Objective-C?

Ruby: (1..100).to_a

See Question&Answers more detail:os

与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
Welcome To Ask or Share your Answers For Others

1 Answer

0 votes
by (71.8m points)

You've got to do it manually:

// Assuming you've got a "NSRange range;"
NSMutableArray *array = [NSMutableArray array];
for (NSUInteger i = range.location; i < range.location + range.length; i++) {
    [array addObject:[NSNumber numberWithUnsignedInteger:i]];
}

与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Click Here to Ask a Question

2.1m questions

2.1m answers

60 comments

57.0k users

...