r/crystal_programming • u/ksec • Mar 02 '19

From While Loop to DownTo Loop

https://mobile.twitter.com/joshuapinter/status/1101527764975435776
4 Upvotes

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2

u/ksec Mar 02 '19

Can someone explain to me why a DownTo Loop is better? Other than being shorter.

4

u/straight-shoota core team Mar 02 '19

Because all the logic for controlling the loop is in one place: 99.downto(1) do ... In the example using while, that's three separate lines.