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Oct 17th, 2018
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  1. use std::result;
  2.  
  3. pub enum MyErrors {
  4. MyError
  5. }
  6.  
  7. pub type Result<T> = result::Result<T, MyErrors>;
  8.  
  9. pub fn returnerr() -> Result<()> {
  10. return Err(MyErrors::MyError);
  11. }
  12.  
  13. pub fn qmark() -> Result<()> {
  14. Err(MyErrors::MyError)?
  15. }
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