Initial data commit

Task/String-case/Wren/string-case.wren

@@ -0,0 +1,23 @@
+import "/str" for Str, Utf8
+
+var strs = ["alphaBETA", "ação", "o'hare O'HARE o’hare don't"]
+System.print("Using 'Str' class methods:")
+for (s in strs) {
+    System.print("  original   : %(s)")
+    System.print("  lower      : %(Str.lower(s))")
+    System.print("  upper      : %(Str.upper(s))")
+    System.print("  capitalize : %(Str.capitalize(s))")
+    System.print("  title      : %(Str.title(s))")
+    System.print("  swapCase   : %(Str.swapCase(s))")
+    System.print()
+}
+var strs2 = ["Stroßbùrri", "ĥåçýджк", "DŽLjnj"]
+System.print("Using 'Utf8' class methods:")
+for (s in strs2) {
+    System.print("  original   : %(s)")
+    System.print("  lower      : %(Utf8.lower(s))")
+    System.print("  upper      : %(Utf8.upper(s))")
+    System.print("  capitalize : %(Utf8.capitalize(s))")
+    System.print("  title      : %(Utf8.title(s))")
+    System.print()
+}