some more logging

src/lib.rs

@@ -177,6 +177,14 @@ macro_rules! trace(
     })
 )
 
+macro_rules! inspect(
+    ($name:expr, $value:expr) => ({
+        let v = $value;
+        debug!("inspect: $name = {}", v);
+        v
+    })
+)
+
 pub mod client;
 pub mod method;
 pub mod header;