Data commit

Task/Reverse-a-string/D/reverse-a-string.d

@@ -0,0 +1,16 @@
+void main() {
+	import std.range, std.conv;
+
+	string s1 = "hello"; // UTF-8
+	assert(s1.retro.text == "olleh");
+
+	wstring s2 = "hello"w; // UTF-16
+	assert(s2.retro.wtext == "olleh"w);
+
+	dstring s3 = "hello"d; // UTF-32
+	assert(s3.retro.dtext == "olleh"d);
+
+	// without using std.range:
+	dstring s4 = "hello"d;
+	assert(s4.dup.reverse == "olleh"d); // simple but inefficient (copies first, then reverses)
+}