Exsample(例)

 1    /*:
 2      - Example: *A simple `for` loop.*\
 3      This example shows a `for` loop that prints the numbers 1 to 5.\
 4     \
 5      `for index in 1...5 {`\
 6      `   print("index = \(index)")`\
 7      `}`}
 8     */