protocol_example.swift

struct Cherry: Eatable {
  var taste: Taste = Taste.sweet
  func isBitter() -> Bool {
    return self.taste == .bitter  
  }
}
let 🍒 = Cherry() // literally we can have variable name like this🤓

struct Chilly: Eatable {
  var taste: Taste = Taste.spicy
  func isBitter() -> Bool {
    return self.taste == .bitter  
  }
}
let 🌶 = Chilly()