Add bin and edit workflow

bin/gems/rouge-4.7.0/lib/rouge/demos/d

@@ -0,0 +1,16 @@
+import std.algorithm, std.conv, std.functional,
+    std.math, std.regex, std.stdio;
+
+alias round = pipe!(to!real, std.math.round, to!string);
+static reFloatingPoint = ctRegex!`[0-9]+\.[0-9]+`;
+
+void main()
+{
+    // Replace anything that looks like a real
+    // number with the rounded equivalent.
+    stdin
+        .byLine
+        .map!(l => l.replaceAll!(c => c.hit.round)
+                                (reFloatingPoint))
+        .each!writeln;
+}