stdlib: Add a pointer equality function to the standard library and a test case

src/lib/Box.rs

@@ -0,0 +1,8 @@
+export rustrt;
+
+native "rust" mod rustrt {
+    fn rust_ptr_eq[T](@T a, @T b) -> int;
+}
+
+fn ptr_eq[T](@T a, @T b) -> bool { ret rustrt.rust_ptr_eq[T](a, b) != 0; }
+

src/lib/std.rc

@@ -69,6 +69,7 @@ mod sha1;
 mod ebml;
 mod UFind;
 mod ExtFmt;
+mod Box;
 
 // Local Variables:
 // mode: rust;