16: Add solutions for section "traits".

Dependencies

• [2] H6XH45OP 0

Change contents

• edit in exercises/traits/traits2.rs at line 12
  [2.86271]→[2.86271:86289](∅→∅)
  −

  − // I AM NOT DONE
• replacement in exercises/traits/traits2.rs at line 17
  [2.86344]→[2.86344:86371](∅→∅)
  − //TODO: Add your code here
  [2.86344]

  [2.86371]
  + impl AppendBar for Vec<String> {

  + fn append_bar(mut self) -> Self {

  + self.push(String::from("Bar"));

  + self

  + }

  + }
• edit in exercises/traits/traits1.rs at line 10
  [2.86928]→[2.86928:86946](∅→∅)
  −

  − // I AM NOT DONE
• replacement in exercises/traits/traits1.rs at line 16
  [2.87029]→[2.87029:87054](∅→∅)
  − //Add your code here
  [2.87029]

  [2.87054]
  + fn append_bar(self) -> Self {

  + format!("{}Bar", self)

  + }