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Sep 25th, 2018
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  1. trait A {
  2. fn to_s(self) -> String;
  3. }
  4.  
  5. impl A for u64 {
  6. fn to_s(self) -> String {
  7. format!("{}", self)
  8. }
  9. }
  10.  
  11. fn main() {
  12. println!("{}", 1.to_s());
  13. }
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