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May 21st, 2018
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  1. use std::collections::HashMap;
  2.  
  3. fn test1() {
  4. let mut m = HashMap::new();
  5. m.insert(1, "hello");
  6. m.insert(2, "world");
  7. let r1 = m.get(&1).unwrap();
  8. let r2 = m.get(&2).unwrap();
  9. println!("1 : {:?}", r1);
  10. println!("2 : {:?}", r2);
  11. }
  12.  
  13. fn test2() {
  14. let mut m = HashMap::new();
  15. m.insert(1, 3);
  16. m.insert(2, 4);
  17. let r1 = m.get(&1).unwrap();
  18. let r2 = m.get(&2).unwrap();
  19. println!("1 : {:?}", r1);
  20. println!("2 : {:?}", r2);
  21. }
  22.  
  23. fn main() {
  24. let mut m = HashMap::new();
  25. m.insert(1, vec![1, 2]);
  26. m.insert(2, vec![3, 4, 5, 6]);
  27. let r1 = m.get(&1).unwrap();
  28. let r2 = m.get(&2).unwrap();
  29. println!("1 : {:?}", r1);
  30. println!("2 : {:?}", r2);
  31.  
  32. test1();
  33. test2();
  34. }
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