Data commit

Task/Apply-a-callback-to-an-array/GAP/apply-a-callback-to-an-array.gap

@@ -0,0 +1,21 @@
+a := [1 .. 4];
+b := ShallowCopy(a);
+
+# Apply and replace values
+Apply(a, n -> n*n);
+a;
+# [ 1, 4, 9, 16 ]
+
+# Apply and don't change values
+List(b, n -> n*n);
+# [ 1, 4, 9, 16 ]
+
+# Apply and don't return anything (only side effects)
+Perform(b, Display);
+1
+2
+3
+4
+
+b;
+# [ 1 .. 4 ]