1freeCodeCamp is a non-profit organization that consists of an interactive
2learning web platform, an online community forum, chat rooms, online
3publications and local organizations that intend to make learning web
4development accessible to anyone.
1// Main function
2fn main(){
3 let arr:[i32;4] = [1,2,3,4];
4 println!("array size is {}",arr.len());
5}