Exercise 1.6.1.1, description added

Signed-off-by: Andreas Roehler <[email protected]>
winitzki · Dec 23, 2023 · 5c46eee · 5c46eee
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diff --git a/chapter01/worksheets/solution1.6.1.1.scala b/chapter01/worksheets/solution1.6.1.1.scala
@@ -1,3 +1,11 @@
+/** 
+  Exercise 1.6.1.1
+  Define a function that computes a “staggered factorial” (denoted by n!!) for positive
+integers. It is defined as either 1 · 3 · ... · n or as 2 · 4 · ... · n, depending on whether n is even or odd.
+For example, 8!! = 384 and 9!! = 945.
+
+ */
+
 def staggeredFactorial(n: Int): Int = (n to 1 by -2).product
 
 assert(staggeredFactorial(8) == 384)