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I have a class with a std::function constructor parameter. class ClazzA{ public: ClazzA(function<void()> foo){} ClazzA(){ ClazzA([](){}); } }; If I have an instance of this class as a member of another, I have to call constructor in initializer list. I can pass a lambda as an argument, and it is automatically converted: class ClazzB{ public: ClazzA a; ClazzB() : // works fine: a([](){}){} }; But if ClazzB is a template, lambda doesn't work: template<typename T> class ClazzC{ public: ClazzA a; //works fine: ClazzC(function<void()> foo) : a(foo){} //doesn't work: ClazzC() : //syntax error : ')' a([](){}) //syntax error : '{' //unexpected token(s) preceding '{'; skipping apparent function body {} }; The compiler is MSVC++ 2010. I don't understand what I am doing wrong or why this syntax is not supported. At first ClazzA was a template too, and function was a bit more complex, so I thought it was the problem with templated lambda or something. But after I removed all that code the problem remains. UPD: Tried to compile in MinGW G++, it works. Looks like a Visual Studio issue.

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