Middle three digits: Difference between revisions

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@@ Line 1,787: / Line 1,787: @@
 </pre>
 =={{header|Elena}}==
-ELENA 3.4 :
+ELENA 4.x :
-<lang elena>import system'routines.
+<lang elena>import system'routines;
-import extensions.
+import extensions;
 middleThreeDigits(int n)
+{
-[
-    literal s := n absolute; toLiteral.
+    string s := n.Absolute.toString();
-    int len := s length.
+    int len := s.Length;
     if(len<3)
-    [
+    {
-        InvalidArgumentException new:"n must have 3 digits or more"; raise
+        InvalidArgumentException.new:"n must have 3 digits or more".raise()
-    ];
+    }
-    if(len isEven)
+    else if(len.isEven())
-    [
+    {
-        InvalidArgumentException new:"n must have an odd number of digits"; raise
+        InvalidArgumentException.new:"n must have an odd number of digits".raise()
-    ].
+    };
-    int mid := len / 2.
+    int mid := len / 2;
-    ^ s Substring(mid-1,3).
+    ^ s.Substring(mid-1,3)
+}
-]
-public program
+public program()
+{
-[
-    (123, 12345, 1234567, 987654321, 10001, -10001, -123, -100, 100, -12345, 1, 2, -1, -10, 2002, -2002, 0)
+    new int[]{123, 12345, 1234567, 987654321, 10001, -10001, -123, -100, 100, -12345, 1, 2, -1, -10, 2002, -2002, 0}
-    forEach(:n)
+        .forEach:(n)
-    [
+        {
-        console printLine("middleThreeDigits(",n,"):",middleThreeDigits(n) | if(:e)(e message))
+            console.printLine("middleThreeDigits(",n,"):",middleThreeDigits(n) | on:(e => e.Message))
-    ]
+        }
-]</lang>
+}</lang>
 {{out}}
 <pre>