Make everything struct, never use class

src/App.h

@@ -97,7 +97,7 @@ public:
         fu2::unique_function<void(uWS::WebSocket<SSL, true> *, int, std::string_view)> close = nullptr;
     };
 
-    template <class UserData>
+    template <typename UserData>
     TemplatedApp &&ws(std::string pattern, WebSocketBehavior &&behavior) {
         /* Don't compile if alignment rules cannot be satisfied */
         static_assert(alignof(UserData) <= LIBUS_EXT_ALIGNMENT,

src/AsyncSocket.h

@@ -29,7 +29,7 @@ template <bool SSL>
 struct AsyncSocket {
     template <bool> friend struct HttpContext;
     template <bool, bool> friend struct WebSocketContext;
-    friend class TopicTree;
+    friend struct TopicTree;
 /* For now, we don't even compile on GCC without this. FIX! */
 /*protected*/public:
 

src/HttpContextData.h

@@ -25,7 +25,7 @@
 
 namespace uWS {
 template<bool> struct HttpResponse;
-class HttpRequest;
+struct HttpRequest;
 
 template <bool SSL>
 struct alignas(16) HttpContextData {

src/HttpParser.h

@@ -32,9 +32,9 @@ namespace uWS {
 /* We require at least this much post padding */
 static const int MINIMUM_HTTP_POST_PADDING = 32;
 
-class HttpRequest {
+struct HttpRequest {
 
-    friend class HttpParser;
+    friend struct HttpParser;
 
 private:
     const static int MAX_HEADERS = 50;
@@ -126,7 +126,7 @@ public:
 
 };
 
-class HttpParser {
+struct HttpParser {
 
 private:
     std::string fallback;

src/HttpRouter.h

@@ -35,14 +35,14 @@
 
 namespace uWS {
 
-template <class USERDATA>
-class HttpRouter {
+template <typename USERDATA>
+struct HttpRouter {
 private:
     static const unsigned int MAX_URL_SEGMENTS = 100;
 
     /* Basically a pre-allocated stack */
     struct RouteParameters {
-        friend class HttpRouter;
+        friend struct HttpRouter;
     private:
         std::string_view params[MAX_URL_SEGMENTS];
         int paramsTop;

src/TopicTree.h

@@ -34,7 +34,7 @@ namespace uWS {
     // publishing to a node, then another node, then another node should prioritize draining that way
     // sending and publishing will interleave undefined, they are separate streams
 
-class TopicTree {
+struct TopicTree {
 private:
     struct Node : std::map<std::string, Node *> {
         /* Add and/or lookup node from topic */

src/WebSocketContext.h

@@ -28,7 +28,7 @@ namespace uWS {
 template <bool SSL, bool isServer>
 struct WebSocketContext {
     template <bool> friend struct TemplatedApp;
-    template <bool, class> friend class WebSocketProtocol;
+    template <bool, typename> friend struct WebSocketProtocol;
 private:
     WebSocketContext() = delete;
 

src/WebSocketExtensions.h

@@ -39,7 +39,7 @@ enum ExtensionTokens {
     TOK_CLIENT_MAX_WINDOW_BITS = 2348
 };
 
-class ExtensionsParser {
+struct ExtensionsParser {
 private:
     int *lastInteger = nullptr;
 
@@ -102,7 +102,7 @@ public:
 };
 
 template <bool isServer>
-class ExtensionsNegotiator {
+struct ExtensionsNegotiator {
 protected:
     int options;
 

src/WebSocketHandshake.h

@@ -23,7 +23,7 @@
 
 namespace uWS {
 
-class WebSocketHandshake {
+struct WebSocketHandshake {
     template <int N, typename T>
     struct static_for {
         void operator()(uint32_t *a, uint32_t *b) {

src/WebSocketProtocol.h

@@ -237,8 +237,8 @@ static inline size_t formatMessage(char *dst, const char *src, size_t length, Op
 }
 
 // essentially this is only a parser
-template <const bool isServer, class Impl>
-class WIN32_EXPORT WebSocketProtocol {
+template <const bool isServer, typename Impl>
+struct WIN32_EXPORT WebSocketProtocol {
 public:
     static const unsigned int SHORT_MESSAGE_HEADER = isServer ? 6 : 2;
     static const unsigned int MEDIUM_MESSAGE_HEADER = isServer ? 8 : 4;