React to review comments

- consistent ordering of struct defs in examples
- attributes for ContextType enum

Author: dgn

examples/http_auth_random.rs

@@ -23,7 +23,6 @@ pub fn _start() {
     proxy_wasm::set_root_context(|_| -> Box<dyn RootContext> { Box::new(HttpAuthRandomRoot) });
 }
 
-struct HttpAuthRandom;
 struct HttpAuthRandomRoot;
 
 impl Context for HttpAuthRandomRoot {}
@@ -38,6 +37,8 @@ impl RootContext for HttpAuthRandomRoot {
     }
 }
 
+struct HttpAuthRandom;
+
 impl Context for HttpAuthRandom {
     fn on_http_call_response(&mut self, _: u32, _: usize, body_size: usize, _: usize) {
         if let Some(body) = self.get_http_call_response_body(0, body_size) {

examples/http_body.rs

@@ -21,7 +21,6 @@ pub fn _start() {
     proxy_wasm::set_root_context(|_| -> Box<dyn RootContext> { Box::new(HttpBodyRoot) });
 }
 
-struct HttpBody;
 struct HttpBodyRoot;
 
 impl Context for HttpBodyRoot {}
@@ -36,6 +35,8 @@ impl RootContext for HttpBodyRoot {
     }
 }
 
+struct HttpBody;
+
 impl Context for HttpBody {}
 
 impl HttpContext for HttpBody {

src/types.rs

@@ -47,6 +47,14 @@ pub enum Status {
     InternalFailure = 10,
 }
 
+#[repr(u32)]
+#[derive(Debug)]
+pub enum ContextType {
+    RootContext = 0,
+    HttpContext = 1,
+    StreamContext = 2,
+}
+
 #[repr(u32)]
 #[derive(Debug)]
 pub enum BufferType {
@@ -85,9 +93,3 @@ pub enum MetricType {
 }
 
 pub type Bytes = Vec<u8>;
-
-pub enum ContextType {
-    RootContext = 0,
-    HttpContext = 1,
-    StreamContext = 2,
-}