Initial data commit

Task/Reverse-a-string/S-lang/reverse-a-string-1.slang

@@ -0,0 +1,10 @@
+variable sa = "Hello, World", aa = Char_Type[strlen(sa)+1];
+init_char_array(aa, sa);
+array_reverse(aa);
+% print(aa);
+
+% Unfortunately, strjoin() only joins strings, so we map char()
+% [sadly named: actually converts char into single-length string]
+% onto the array:
+
+print( strjoin(array_map(String_Type, &char, aa), "") );

Task/Reverse-a-string/S-lang/reverse-a-string-2.slang

@@ -0,0 +1,17 @@
+define init_unicode_array(a, buf)
+{
+  variable len = strbytelen(buf), ch, p0 = 0, p1 = 0;
+  while (p1 < len) {
+    (p1, ch) = strskipchar(buf, p1, 1);
+    if (ch < 0) print("oops.");
+    a[p0] = ch;
+    p0++;
+  }
+}
+
+variable su = "Σὲ γνωρίζω ἀπὸ τὴν κόψη";
+variable au = Int_Type[strlen(su)+1];
+init_unicode_array(au, su);
+array_reverse(au);
+% print(au);
+print(strjoin(array_map(String_Type, &char, au), "") );