code for chapter 3 in ruby

2016-03-03 15:19:05 +01:00
parent 1e2d586c44
commit f6cb264c68
3 changed files with 37 additions and 0 deletions
--- a/03_recursion/ruby/01_countdown.rb
+++ b/03_recursion/ruby/01_countdown.rb
@@ -0,0 +1,12 @@
+def countdown(i)
+  puts i
+  # base case
+  if i <= 0
+    return
+  # recursive case
+  else
+    countdown(i - 1)
+  end
+end
+
+countdown(5)