--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/impl/hoofbaby/util/conv.d	Mon Jul 06 08:06:28 2009 -0700
@@ -0,0 +1,46 @@
+/**
+ * Hoofbaby -- http://www.dsource.org/projects/hoofbaby
+ * Copyright (C) 2009 Robert Fraser
+ * 
+ * This program is free software; you can redistribute it andor
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+module hoofbaby.util.conv;
+
+//------------------------------------------------------------------------------
+// Fast casting
+
+/**
+ * Cast without a typecheck. Use only if you're certain T is actually a U.
+ * 
+ * Params:
+ *     v = The value to cast from
+ * Returns: v as a T
+ */
+public T as(T, U)(U v)
+{
+	static assert(is(T : U));
+	return cast(T) (cast(void*) v);
+}
+
+public T checkedCast(T, U)(U v)
+{
+	static assert(is(T : U));
+	if(v is null)
+		return null;
+	T ret = cast(T) v;
+	assert(ret !is null, "Expected " ~ T.stringof ~ ", but got " ~ v.classinfo.name);
+	return ret;
+}
+
+//------------------------------------------------------------------------------
+// Mixin generation
+