Matrix transposition: Difference between revisions

Content added Content deleted

Inline

@@ Line 2,164: / Line 2,164: @@
 <lang JavaScript>(() => {
-    'use strict';
+    "use strict";
     // transpose :: [[a]] -> [[a]]
     const transpose = xs =>
-        xs[0].map((_, iCol) => xs.map(row => row[iCol]));
+        xs[0].map(
+            (_, iCol) => xs.map(
+                row => row[iCol]
+            )
+        );
-    // TEST -----------------------------------------------
+    // ---------------------- TEST -----------------------
-    return(
+    const main = () =>
-        transpose([
+        JSON.stringify(
-            [1, 2],
+            transpose([
-            [3, 4],
+                [1, 2, 3],
-            [5, 6]
+                [4, 5, 6],
-        ])
+                [7, 8, 9]
-    );
+            ])
+        );
+    // MAIN ---
+    return main();
 })();</lang>
 {{Out}}
-<lang JavaScript>[[1, 3, 5], [2, 4, 6]]</lang>
+<lang JavaScript>[[1,4,7],[2,5,8],[3,6,9]]</lang>
 =={{header|Joy}}==