Merge pull request #10 from badeend/handshake-error

Expose handshake error

Author: jsturtevant

imports.md

@@ -437,6 +437,9 @@ is ready for reading, before performing the <code>splice</code>.</p>
 #### <a id="pollable"></a>`type pollable`
 [`pollable`](#pollable)
 <p>
+#### <a id="io_error"></a>`type io-error`
+[`error`](#error)
+<p>
 #### <a id="client_handshake"></a>`resource client-handshake`
 <h4><a id="client_connection"></a><code>resource client-connection</code></h4>
 <h4><a id="future_client_streams"></a><code>resource future-client-streams</code></h4>
@@ -483,5 +486,5 @@ is ready for reading, before performing the <code>splice</code>.</p>
 </ul>
 <h5>Return values</h5>
 <ul>
-<li><a id="method_future_client_streams_get.0"></a> option&lt;result&lt;result&lt;(own&lt;<a href="#client_connection"><a href="#client_connection"><code>client-connection</code></a></a>&gt;, own&lt;<a href="#input_stream"><a href="#input_stream"><code>input-stream</code></a></a>&gt;, own&lt;<a href="#output_stream"><a href="#output_stream"><code>output-stream</code></a></a>&gt;)&gt;&gt;&gt;</li>
+<li><a id="method_future_client_streams_get.0"></a> option&lt;result&lt;result&lt;(own&lt;<a href="#client_connection"><a href="#client_connection"><code>client-connection</code></a></a>&gt;, own&lt;<a href="#input_stream"><a href="#input_stream"><code>input-stream</code></a></a>&gt;, own&lt;<a href="#output_stream"><a href="#output_stream"><code>output-stream</code></a></a>&gt;), own&lt;<a href="#io_error"><a href="#io_error"><code>io-error</code></a></a>&gt;&gt;&gt;&gt;</li>
 </ul>

wit/types.wit

@@ -4,6 +4,8 @@ interface types {
     use wasi:io/streams@0.2.3.{input-stream, output-stream};
     @unstable(feature = tls)
     use wasi:io/poll@0.2.3.{pollable};
+    @unstable(feature = tls)
+    use wasi:io/error@0.2.3.{error as io-error};
 
     @unstable(feature = tls)
     resource client-handshake {
@@ -26,6 +28,6 @@ interface types {
         subscribe: func() -> pollable;
 
         @unstable(feature = tls)
-        get: func() -> option<result<result<tuple<client-connection, input-stream, output-stream>>>>;
+        get: func() -> option<result<result<tuple<client-connection, input-stream, output-stream>, io-error>>>;
     }
 }