1 struct Targ {
 2     w:u32,
 3     h:u32,
 4 }
 5 impl Targ {    
 6     fn aera(&self) -> u32 {
 7         self.w * self.h
 8     }   
 9     fn sround(&self) -> u32 {
10         (self.w + self.h ) * 2
11     }
12     fn init(x:u32, y:u32) -> Targ {
13         Targ{w:x, h:y}
14     }
15 }
16 fn main(){
17     //let t1 = Targ{w:20, h:15};
18     let t1 = Targ::init(25, 8);
19     println!("{}\t{}",t1.aera(),t1.sround());
20     println!("{}\t{}",&t1.aera(),&t1.sround());
21 }