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Aug 20th, 2019
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  1. struct Parsed<'a> {
  2. parts: Vec<&'a str>,
  3. }
  4.  
  5. impl<'a> Parsed<'a> {
  6. fn parse(s: &'a str) -> Self {
  7. let parts = s.split_whitespace().collect();
  8. Parsed { parts }
  9. }
  10.  
  11. fn len(&self) -> usize {
  12. self.parts.len()
  13. }
  14.  
  15. fn parsed_len(s: &str) -> usize {
  16. Self::parse(s).len()
  17. }
  18. }
  19.  
  20. fn process<F: Fn(&str) -> usize>(f: F) {
  21. //unimplemented!()
  22. }
  23.  
  24. fn main() {
  25. process(Parsed::parsed_len)
  26. }
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