Fill out missing docs

proxy.md

@@ -777,6 +777,7 @@ list<u8> instead of string.</p>
 <li><a name="method_fields.clone.0"></a> own&lt;<a href="#fields"><a href="#fields"><code>fields</code></a></a>&gt;</li>
 </ul>
 <h4><a name="method_incoming_request.method"><code>[method]incoming-request.method: func</code></a></h4>
+<p>Returns the method of the incoming request.</p>
 <h5>Params</h5>
 <ul>
 <li><a name="method_incoming_request.method.self"><code>self</code></a>: borrow&lt;<a href="#incoming_request"><a href="#incoming_request"><code>incoming-request</code></a></a>&gt;</li>
@@ -786,6 +787,7 @@ list<u8> instead of string.</p>
 <li><a name="method_incoming_request.method.0"></a> <a href="#method"><a href="#method"><code>method</code></a></a></li>
 </ul>
 <h4><a name="method_incoming_request.path_with_query"><code>[method]incoming-request.path-with-query: func</code></a></h4>
+<p>Returns the path with query parameters from the request, as a string.</p>
 <h5>Params</h5>
 <ul>
 <li><a name="method_incoming_request.path_with_query.self"><code>self</code></a>: borrow&lt;<a href="#incoming_request"><a href="#incoming_request"><code>incoming-request</code></a></a>&gt;</li>
@@ -795,6 +797,7 @@ list<u8> instead of string.</p>
 <li><a name="method_incoming_request.path_with_query.0"></a> option&lt;<code>string</code>&gt;</li>
 </ul>
 <h4><a name="method_incoming_request.scheme"><code>[method]incoming-request.scheme: func</code></a></h4>
+<p>Returns the protocol scheme from the request.</p>
 <h5>Params</h5>
 <ul>
 <li><a name="method_incoming_request.scheme.self"><code>self</code></a>: borrow&lt;<a href="#incoming_request"><a href="#incoming_request"><code>incoming-request</code></a></a>&gt;</li>
@@ -804,6 +807,7 @@ list<u8> instead of string.</p>
 <li><a name="method_incoming_request.scheme.0"></a> option&lt;<a href="#scheme"><a href="#scheme"><code>scheme</code></a></a>&gt;</li>
 </ul>
 <h4><a name="method_incoming_request.authority"><code>[method]incoming-request.authority: func</code></a></h4>
+<p>Returns the authority from the request, if it was present.</p>
 <h5>Params</h5>
 <ul>
 <li><a name="method_incoming_request.authority.self"><code>self</code></a>: borrow&lt;<a href="#incoming_request"><a href="#incoming_request"><code>incoming-request</code></a></a>&gt;</li>
@@ -813,6 +817,7 @@ list<u8> instead of string.</p>
 <li><a name="method_incoming_request.authority.0"></a> option&lt;<code>string</code>&gt;</li>
 </ul>
 <h4><a name="method_incoming_request.headers"><code>[method]incoming-request.headers: func</code></a></h4>
+<p>Returns the headers from the request.</p>
 <h5>Params</h5>
 <ul>
 <li><a name="method_incoming_request.headers.self"><code>self</code></a>: borrow&lt;<a href="#incoming_request"><a href="#incoming_request"><code>incoming-request</code></a></a>&gt;</li>
@@ -833,6 +838,7 @@ once, subsequent calls will return error.</p>
 <li><a name="method_incoming_request.consume.0"></a> result&lt;own&lt;<a href="#incoming_body"><a href="#incoming_body"><code>incoming-body</code></a></a>&gt;&gt;</li>
 </ul>
 <h4><a name="constructor_outgoing_request"><code>[constructor]outgoing-request: func</code></a></h4>
+<p>Construct a new <a href="#outgoing_request"><code>outgoing-request</code></a>.</p>
 <h5>Params</h5>
 <ul>
 <li><a name="constructor_outgoing_request.method"><a href="#method"><code>method</code></a></a>: <a href="#method"><a href="#method"><code>method</code></a></a></li>
@@ -857,12 +863,15 @@ once, subsequent calls will return error.</p>
 <li><a name="method_outgoing_request.write.0"></a> result&lt;own&lt;<a href="#outgoing_body"><a href="#outgoing_body"><code>outgoing-body</code></a></a>&gt;&gt;</li>
 </ul>
 <h4><a name="static_response_outparam.set"><code>[static]response-outparam.set: func</code></a></h4>
+<p>Set the value of the <a href="#response_outparam"><code>response-outparam</code></a> to indicate either a response,
+or an error.</p>
 <h5>Params</h5>
 <ul>
 <li><a name="static_response_outparam.set.param"><code>param</code></a>: own&lt;<a href="#response_outparam"><a href="#response_outparam"><code>response-outparam</code></a></a>&gt;</li>
 <li><a name="static_response_outparam.set.response"><code>response</code></a>: result&lt;own&lt;<a href="#outgoing_response"><a href="#outgoing_response"><code>outgoing-response</code></a></a>&gt;, <a href="#error"><a href="#error"><code>error</code></a></a>&gt;</li>
 </ul>
 <h4><a name="method_incoming_response.status"><code>[method]incoming-response.status: func</code></a></h4>
+<p>Returns the status code from the <a href="#incoming_response"><code>incoming-response</code></a>.</p>
 <h5>Params</h5>
 <ul>
 <li><a name="method_incoming_response.status.self"><code>self</code></a>: borrow&lt;<a href="#incoming_response"><a href="#incoming_response"><code>incoming-response</code></a></a>&gt;</li>
@@ -872,6 +881,7 @@ once, subsequent calls will return error.</p>
 <li><a name="method_incoming_response.status.0"></a> <a href="#status_code"><a href="#status_code"><code>status-code</code></a></a></li>
 </ul>
 <h4><a name="method_incoming_response.headers"><code>[method]incoming-response.headers: func</code></a></h4>
+<p>Returns the headers from the <a href="#incoming_response"><code>incoming-response</code></a>.</p>
 <h5>Params</h5>
 <ul>
 <li><a name="method_incoming_response.headers.self"><code>self</code></a>: borrow&lt;<a href="#incoming_response"><a href="#incoming_response"><code>incoming-response</code></a></a>&gt;</li>
@@ -935,6 +945,7 @@ input-stream child is still alive.</p>
 <li><a name="method_future_trailers.get.0"></a> option&lt;result&lt;own&lt;<a href="#trailers"><a href="#trailers"><code>trailers</code></a></a>&gt;, <a href="#error"><a href="#error"><code>error</code></a></a>&gt;&gt;</li>
 </ul>
 <h4><a name="constructor_outgoing_response"><code>[constructor]outgoing-response: func</code></a></h4>
+<p>Construct an <a href="#outgoing_response"><code>outgoing-response</code></a>.</p>
 <h5>Params</h5>
 <ul>
 <li><a name="constructor_outgoing_response.status_code"><a href="#status_code"><code>status-code</code></a></a>: <a href="#status_code"><a href="#status_code"><code>status-code</code></a></a></li>
@@ -989,6 +1000,8 @@ indicates whether the incoming response successfully started.</p>
 <li><a name="method_future_incoming_response.get.0"></a> option&lt;result&lt;result&lt;own&lt;<a href="#incoming_response"><a href="#incoming_response"><code>incoming-response</code></a></a>&gt;, <a href="#error"><a href="#error"><code>error</code></a></a>&gt;&gt;&gt;</li>
 </ul>
 <h4><a name="method_future_incoming_response.subscribe"><code>[method]future-incoming-response.subscribe: func</code></a></h4>
+<p>Pollable that resolves when the <code>get</code> method will resolve to a <code>Some</code>
+result.</p>
 <h5>Params</h5>
 <ul>
 <li><a name="method_future_incoming_response.subscribe.self"><code>self</code></a>: borrow&lt;<a href="#future_incoming_response"><a href="#future_incoming_response"><code>future-incoming-response</code></a></a>&gt;</li>

wit/types.wit

@@ -65,22 +65,24 @@ interface types {
   type trailers = fields;
 
   /// The following block defines the `incoming-request` and `outgoing-request`
-  /// resource types that correspond to HTTP standard Requests. Soon, when
-  /// resource types are added, the `u32` type aliases can be replaced by
-  /// proper `resource` type definitions containing all the functions as
-  /// methods. Later, Preview2 will allow both types to be merged together into
-  /// a single `request` type (that uses the single `stream` type mentioned
-  /// above). The `consume` and `write` methods may only be called once (and
-  /// return failure thereafter).
+  /// resource types that correspond to HTTP standard Requests. Later, Preview3
+  /// will allow both types to be merged together into a single `request` type
+  /// (that uses the single `stream` type mentioned above). The `consume` and
+  /// `write` methods may only be called once (and return failure thereafter).
   resource incoming-request {
+    /// Returns the method of the incoming request.
     method: func() -> method;
 
+    /// Returns the path with query parameters from the request, as a string.
     path-with-query: func() -> option<string>;
 
+    /// Returns the protocol scheme from the request.
     scheme: func() -> option<scheme>;
 
+    /// Returns the authority from the request, if it was present.
     authority: func() -> option<string>;
 
+    /// Returns the headers from the request.
     headers: func() -> headers;
 
     /// Will return the incoming-body child at most once. If called more than
@@ -89,6 +91,7 @@ interface types {
   }
 
   resource outgoing-request {
+    /// Construct a new `outgoing-request`.
     constructor(
       method: method,
       path-with-query: option<string>,
@@ -123,6 +126,8 @@ interface types {
   /// an outparam goes away entirely (the `wasi:http/handler` interface used for
   /// both incoming and outgoing can simply return a `stream`).
   resource response-outparam {
+    /// Set the value of the `response-outparam` to indicate either a response,
+    /// or an error.
     set: static func(
       param: response-outparam,
       response: result<outgoing-response, error>,
@@ -139,8 +144,10 @@ interface types {
   /// mentioned above). The `consume` and `write` methods may only be called
   /// once (and return failure thereafter).
   resource incoming-response {
+    /// Returns the status code from the `incoming-response`.
     status: func() -> status-code;
 
+    /// Returns the headers from the `incoming-response`.
     headers: func() -> headers;
 
     /// May be called at most once. returns error if called additional times.
@@ -168,6 +175,7 @@ interface types {
   }
 
   resource outgoing-response {
+    /// Construct an `outgoing-response`.
     constructor(status-code: status-code, headers: borrow<headers>);
 
     /// Will give the child outgoing-response at most once. subsequent calls
@@ -199,6 +207,8 @@ interface types {
     /// indicates whether the incoming response successfully started.
     get: func() -> option<result<result<incoming-response, error>>>;
 
+    /// Pollable that resolves when the `get` method will resolve to a `Some`
+    /// result.
     subscribe: func() -> pollable;
   }
 }