From 17c3af4d4020a449418ff0a64f6cdcf2a6c8b891 Mon Sep 17 00:00:00 2001
From: Jacob Dufault <jacobdufault@gmail.com>
Date: Fri, 24 Mar 2017 18:01:41 -0700
Subject: [PATCH] make enum hashable

---
 language_server_api.h          |  2 +-
 src/typed_bidi_message_queue.h |  2 +-
 utils.h                        | 11 ++++++++++-
 3 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/language_server_api.h b/language_server_api.h
index 3f9aea2e..abed82e3 100644
--- a/language_server_api.h
+++ b/language_server_api.h
@@ -29,6 +29,7 @@ enum class lsMethodId : int {
   CodeLensResolve,
   WorkspaceSymbol,
 };
+MAKE_ENUM_HASHABLE(lsMethodId);
 
 template<typename TVisitor>
 void Reflect(TVisitor& visitor, lsMethodId& value) {
@@ -1269,7 +1270,6 @@ struct In_InitializeRequest : public InRequestMessage {
 
   In_InitializeRequest(optional<RequestId> id, Reader& reader)
     : InRequestMessage(kMethod, id, reader) {
-    auto type = reader.GetType();
     Reflect(reader, params);
     std::cerr << "done" << std::endl;
   }
diff --git a/src/typed_bidi_message_queue.h b/src/typed_bidi_message_queue.h
index bceedc4d..466833c0 100644
--- a/src/typed_bidi_message_queue.h
+++ b/src/typed_bidi_message_queue.h
@@ -105,4 +105,4 @@ struct TypedBidiMessageQueue {
 
   std::unordered_map<TId, Serializer> serializers_;
   std::unordered_map<TId, Deserializer> deserializers_;
-};
\ No newline at end of file
+};
diff --git a/utils.h b/utils.h
index ff13e6ba..60f79fa7 100644
--- a/utils.h
+++ b/utils.h
@@ -49,4 +49,13 @@ inline void hash_combine(std::size_t& seed, const T& v, Rest... rest) {
                 return ret;\
             }\
         };\
-    }
\ No newline at end of file
+    }
+
+#define MAKE_ENUM_HASHABLE(type) \
+    namespace std {\
+        template<> struct hash<type> {\
+            std::size_t operator()(const type &t) const {\
+                return hash<int>()(static_cast<int>(t));\
+            }\
+        };\
+    }