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completely implement assignOperator

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Thibault Kruse
2016-08-11 10:19:00 +02:00
parent 165c61e7ce
commit bf11606c1a
1 changed files with 2 additions and 2 deletions
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CppCoreGuidelines.md
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@@ -5476,9 +5476,9 @@ Because we defined the destructor, we must define the copy and move operations.
~Tracer2() { cerr << "exiting " << message << '\n'; }
Tracer2(const Tracer2& a) : message{a.message} {}
Tracer2& operator=(const Tracer2& a) { message = a.message; }
Tracer2& operator=(const Tracer2& a) { message = a.message; return *this; }
Tracer2(Tracer2&& a) :message{a.message} {}
Tracer2& operator=(Tracer2&& a) { message = a.message; }
Tracer2& operator=(Tracer2&& a) { message = a.message; return *this; }
};
Writing out the bodies of the copy and move operations is verbose, tedious, and error-prone. A compiler does it better.