Move nullptr initializers to class declaration

Author: tszumski

media-proxy/include/mesh/concurrency.h

@@ -50,11 +50,11 @@ class Context {
     Context(Context& parent);
     Context(Context& parent, std::chrono::milliseconds timeout_ms);
 
-    Context *parent;
-    thread::Channel<bool> *ch;
+    Context *parent = nullptr;
+    thread::Channel<bool> *ch = nullptr;
     std::future<void> async_cb;
     std::chrono::milliseconds timeout_ms;
-    std::unique_ptr<std::stop_callback<std::function<void()>>> cb;
+    std::unique_ptr<std::stop_callback<std::function<void()>>> cb = nullptr;
 
     friend Context& Background();
     friend class WithCancel;

media-proxy/src/mesh/concurrency.cc

@@ -12,9 +12,6 @@ namespace mesh {
 namespace context {
 
 Context::Context() : ss(std::stop_source()),
-                     parent(nullptr),
-                     cb(nullptr),
-                     ch(nullptr),
                      timeout_ms(std::chrono::milliseconds(0))
 {
 }
@@ -55,7 +52,7 @@ Context& Context::operator=(Context&& other) noexcept {
         ss = std::stop_source();
         parent = other.parent;
 
-        if(parent){
+        if (parent) {
             cb = std::make_unique<std::stop_callback<std::function<void()>>>(
                 parent->ss.get_token(), [this] { cancel(); }
             );