Merge pull request #24 from andreas-roehler/master

#23, Exercise 2.1.7.1 honour comment, pattern-match on tuple
winitzki · Nov 30, 2023 · 0d9070c · 0d9070c
2 parents 6b7c487 + f80d6eb
commit 0d9070c
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diff --git a/.gitignore b/.gitignore
@@ -1,3 +1,5 @@
+*~
+*RCS*
 *.class
 *.log
 

diff --git a/chapter02/worksheets/solution2.1.7.1_AR.scala b/chapter02/worksheets/solution2.1.7.1_AR.scala
@@ -7,8 +7,8 @@ Exercise 2.1.7.1
   */
 
 val a = (0 to 9).flatMap(x => (0 to 9).map { y => (x, y) } )
-val b = a.map{ case x => x._1 + 4 * x._2 }
-val c = a.map{ case x => x._1 * x._2 }
+val b = a.map{ case (x, y) => x + 4 * y }
+val c = a.map{ case (x, y) => x * y }
 val d = b.zip(c)
 val result = d.filter { case (x, y) => x > y }