Initial data commit

Task/Apply-a-callback-to-an-array/ALGOL-W/apply-a-callback-to-an-array.alg

@@ -0,0 +1,12 @@
+begin
+    procedure printSquare ( integer value x ) ; writeon( i_w := 1, s_w := 0, " ", x * x );
+    % applys f to each element of a from lb to ub (inclusive) %
+    procedure applyI ( procedure f; integer array a ( * ); integer value lb, ub ) ;
+        for i := lb until ub do f( a( i ) );
+    % test applyI %
+    begin
+        integer array a ( 1 :: 3 );
+        a( 1 ) := 1; a( 2 ) := 2; a( 3 ) := 3;
+        applyI( printSquare, a, 1, 3 )
+    end
+end.