Following up Issue #16. Thanks @etorreborre!

exercises/src/main/scala/pl/japila/scalania/euler/Euler_P01.scala

@@ -1,12 +1,18 @@
 package pl.japila.scalania.euler
 
 object Euler_P01 {
+
   val solutions = List[(Int, Int, Int) => Int](
     findSumOfMultiplies,
-    findSumOfMultiplies_jl
+    findSumOfMultiplies_jl,
+    findSumOfMultiplies_eric
   )
 
-  def findSumOfMultiplies(a: Int = 3, b: Int = 5, limit: Int = 1000): Int = ???
+  def findSumOfMultiplies: (Int, Int, Int) => Int = (a: Int, b: Int, limit: Int) => ???
+
+  def findSumOfMultiplies_jl: (Int, Int, Int) => Int = (a: Int, b: Int, limit: Int) => ???
+
+  def findSumOfMultiplies_eric = (a: Int, b: Int, limit: Int) =>
+    (0 until limit).filter(n => n % a == 0 || n % b == 0).sum
 
-  def findSumOfMultiplies_jl(a: Int = 3, b: Int = 5, limit: Int = 1000): Int = ???
 }

exercises/src/test/scala/pl/japila/scalania/euler/P01Spec.scala

@@ -1,12 +1,23 @@
 package pl.japila.scalania.euler
 
 import org.specs2.mutable._
-import Euler_P01.solutions
+import org.specs2.specification.Tables
+import Euler_P01._
 
-class P01Spec extends Specification {
+class P01Spec extends Specification with Tables {
   "P01 solution" should {
-    "Find the sum of all the multiples of 3 or 5 below 1000." in {
-      solutions.forall { f => f(3, 5, 1000) === 233168 }
+    "Find the sum of all the multiples of 3 or 5 below 1000." >> {
+
+      val titles = List("name", "function")
+      val dr2s = List[DataRow2[String, (Int, Int, Int) => Int]]()
+      val rows = solutions.foldLeft(dr2s) { (l, f) =>
+        DataRow2(s"${f.getClass.getSimpleName} solution", f) :: l
+      }
+
+      val t2 = new Table2[String, (Int, Int, Int) => Int](titles, rows.reverse)
+      t2.rows.foreach { row =>
+        row.t1 >> { row.t2(3, 5, 1000) must_== 233168 }
+      }; br
     }
   }
 }