8: Add solutions for section "enums".

Dependencies

• [2] H6XH45OP 0

Change contents

• edit in exercises/enums/enums3.rs at line 3
  [2.141895]→[2.141895:141913](∅→∅)
  −

  − // I AM NOT DONE
• replacement in exercises/enums/enums3.rs at line 5
  [2.141929]→[2.141929:142005](∅→∅)
  − // TODO: implement the message variant types based on their usage below
  [2.141929]

  [2.142005]
  + ChangeColor((u8, u8, u8)),

  + Echo(String),

  + Move(Point),

  + Quit
• replacement in exercises/enums/enums3.rs at line 40
  [2.142478]→[2.142478:142563](∅→∅)
  − // TODO: create a match expression to process the different message variants
  [2.142478]

  [2.142563]
  + match message {

  + Message::ChangeColor(rgb) => self.change_color(rgb),

  + Message::Echo(string) => self.echo(string),

  + Message::Move(point) => self.move_position(point),

  + Message::Quit => self.quit(),

  + }
• edit in exercises/enums/enums2.rs at line 3
  [2.143323]→[2.143323:143341](∅→∅)
  −

  − // I AM NOT DONE
• replacement in exercises/enums/enums2.rs at line 6
  [2.143374]→[2.143374:143428](∅→∅)
  − // TODO: define the different variants used below
  [2.143374]

  [2.143428]
  + Move { x: usize, y: usize },

  + Echo(String),

  + ChangeColor(usize, usize, usize),

  + Quit
• edit in exercises/enums/enums1.rs at line 3
  [2.143885]→[2.143885:143903](∅→∅)
  −

  − // I AM NOT DONE
• replacement in exercises/enums/enums1.rs at line 6
  [2.143936]→[2.143936:143994](∅→∅)
  − // TODO: define a few types of messages as used below
  [2.143936]

  [2.143994]
  + Quit,

  + Echo,

  + Move,

  + ChangeColor