From b44cacfd2c3ef9aab6abfc32e9d820b9de3d8d79 Mon Sep 17 00:00:00 2001
From: Nicholas Ormrod <njormrod@fb.com>
Date: Wed, 29 Apr 2015 17:43:19 -0700
Subject: [PATCH] struct/class consistency

Summary:
This diff is based on https://github.com/facebook/folly/pull/95
by gitbug user mikekap.

It changes the struct/class naming of forward declarations to match
their definitions.

Test Plan:
fbconfig -r folly && fbmake runtests

Reviewed By: markisaa@fb.com

Subscribers: fugalh, folly-diffs@, jsedgwick, yfeldblum, chalfant

FB internal diff: D2032995

Tasks: 6783581

Signature: t1:2032995:1430339337:79193fd8409b73e8a9155133f326b7cee534244d
---
 folly/MPMCQueue.h          | 2 +-
 folly/wangle/rx/Observer.h | 2 +-
 folly/wangle/rx/types.h    | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/folly/MPMCQueue.h b/folly/MPMCQueue.h
index 45c4ef74..ede1716d 100644
--- a/folly/MPMCQueue.h
+++ b/folly/MPMCQueue.h
@@ -34,7 +34,7 @@ namespace folly {
 namespace detail {
 
 template<typename T, template<typename> class Atom>
-class SingleElementQueue;
+struct SingleElementQueue;
 
 template <typename T> class MPMCPipelineStageImpl;
 
diff --git a/folly/wangle/rx/Observer.h b/folly/wangle/rx/Observer.h
index e82d4e6f..5797a0c1 100644
--- a/folly/wangle/rx/Observer.h
+++ b/folly/wangle/rx/Observer.h
@@ -24,7 +24,7 @@
 
 namespace folly { namespace wangle {
 
-template <class T> class FunctionObserver;
+template <class T> struct FunctionObserver;
 
 /// Observer interface. You can subclass it, or you can just use create()
 /// to use std::functions.
diff --git a/folly/wangle/rx/types.h b/folly/wangle/rx/types.h
index 5bfa293f..3bb540e6 100644
--- a/folly/wangle/rx/types.h
+++ b/folly/wangle/rx/types.h
@@ -25,7 +25,7 @@ namespace folly { namespace wangle {
   // alias it.
   typedef std::shared_ptr<folly::Executor> SchedulerPtr;
 
-  template <class T, size_t InlineObservers = 3> struct Observable;
+  template <class T, size_t InlineObservers = 3> class Observable;
   template <class T> struct Observer;
   template <class T> struct Subject;
 
-- 
2.34.1