early-access version 1410

src/common/common_funcs.h

@@ -104,6 +104,14 @@ __declspec(dllimport) void __stdcall DebugBreak(void);
         }                                                                                          \
     }
 
+/// Evaluates a boolean expression, and returns a result unless that expression is true.
+#define R_UNLESS_NOLOG(expr, res)                                                                  \
+    {                                                                                              \
+        if (!(expr)) {                                                                             \
+            return res;                                                                            \
+        }                                                                                          \
+    }
+
 #define R_SUCCEEDED(res) (res.IsSuccess())
 
 /// Evaluates an expression that returns a result, and returns the result if it would fail.

src/common/scope_exit.h

@@ -31,6 +31,8 @@ ScopeExitHelper<Func> ScopeExit(Func&& func) {
 }
 } // namespace detail
 
+#define SCOPE_GUARD(body) detail::ScopeExit([&]() body)
+
 /**
  * This macro allows you to conveniently specify a block of code that will run on scope exit. Handy
  * for doing ad-hoc clean-up tasks in a function with multiple returns.