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  1. use std::io::stdin;
  2.  
  3. struct A {
  4.   a: u32	
  5. }
  6.  
  7. struct B {
  8.   a: A,
  9.   b: u32
  10. }
  11.  
  12. struct C {
  13.   b: B,
  14.   c: u32
  15. }
  16.  
  17. trait Print {
  18.   fn print(&self);
  19. }
  20.  
  21. impl Print for A {
  22.   fn print(&self) {
  23.     println!("{}",self.a)	
  24.   }  	
  25. }
  26.  
  27. impl Print for B {
  28.   fn print(&self) {
  29.     self.a.print();
  30.     println!("{}",self.b)	
  31.   }  	
  32. }
  33.  
  34. impl Print for C {
  35.   fn print(&self) {
  36.     self.b.print();
  37.     println!("{}",self.c)	
  38.   }  	
  39. }
  40.  
  41. fn main() {
  42.   let C = C{b:B{a:A{a:1},b:2},c:3};
  43.   C.print();
  44. }
  45.  
Success #stdin #stdout 0s 4512KB
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https://ideone.com/AgrKDf
language:
Rust (rust 1.56)
created:
7 years ago
visibility:
public

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