bakaid commented on a change in pull request #731: MINIFICPP-1096 fix 
BackTrace, OOB indexing, tests, appveyor reporting
URL: https://github.com/apache/nifi-minifi-cpp/pull/731#discussion_r385242227
 
 

 ##########
 File path: libminifi/include/utils/BackTrace.h
 ##########
 @@ -41,20 +42,16 @@ class TraceResolver;
  */
 class BackTrace {
  public:
-  BackTrace() {
-  }
-  BackTrace(const std::string &name)
-      : name_(name) {
+  BackTrace() = default;
+
+  explicit BackTrace(std::string name)
+      : name_(std::move(name)) {
   }
-  BackTrace(BackTrace &&) = default;
-  BackTrace(BackTrace &) = delete;
 
 Review comment:
   This was messed up, put the class description says that `Backtrace is a 
movable vector of trace lines.`, so either we should make it noncopyable, or 
justify why we need to copy it and change the description.

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