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Loops & Iterators

Next!

The next keyword can be used to skip over certain steps in the loop. For instance, if we don't want to print out the even numbers, we can write:

for i in 1..5 next if i % 2 == 0 print i end
  1. In the above example, we loop through the range of 1 through 5, assigning each number to i in turn.
  2. If the remainder of i / 2 is zero, we go to the next iteration of the loop.
  3. Then we print the value of i. This line only prints out 1, 3, and 5 because of the previous line.
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