Ethiopian multiplication: Difference between revisions

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@@ Line 926: / Line 926: @@
 =={{header|D}}==
+<lang d>int ethiopian(int n1, int n2) pure nothrow
-<lang d>import std.stdio;
-int ethiopian(int n1, int n2) pure nothrow
 in {
-    assert(n1 >= 0, "muliplier cannot be negative");
+    assert(n1 >= 0, "Multiplier can't be negative");
 } body {
-    static int doubleNum(in int n) pure nothrow { return n * 2; }
+    static enum doubleNum = (in int n) pure nothrow => n * 2;
-    static int halveNum(in int n) pure nothrow { return n / 2; }
+    static enum halveNum = (in int n) pure nothrow => n / 2;
-    static bool isEven(in int n) pure nothrow { return !(n & 1); }
+    static enum isEven = (in int n) pure nothrow => !(n & 1);
     int result;
@@ Line 945: / Line 943: @@
     return result;
+} unittest {
-}
-unittest {
     assert(ethiopian(77, 54) == 77 * 54);
     assert(ethiopian(8, 923) == 8 * 923);
@@ Line 954: / Line 950: @@
 void main() {
+    import std.stdio;
     writeln("17 ethiopian 34 is ", ethiopian(17, 34));
 }</lang>
+{{out}}
-Output:
 <pre>17 ethiopian 34 is 578</pre>