initial work with json

serde.rs

@@ -0,0 +1,12 @@
+#![feature(macro_rules, phase)]
+
+extern crate collections;
+
+// test harness access
+#[cfg(test)]
+extern crate test;
+#[phase(syntax, link)]
+extern crate log;
+
+pub mod de;
+pub mod json;