CPP practice question 24 of 30

What happens when you attempt to compile and run the following code? #include using namespace std; template class A { T_v; public: A() {} A(T v)…

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What happens when you attempt to compile and run the following code? #include using namespace std; template class A { T_v; public: A() {} A(T v): _v(v){} friend ostream & operator<<(ostream & c, const A & v); }; template ostream & operator<<(ostream & c, const A & v) { c<<v._v;return c; } int main() { Aa(10); cout<<a<<endl; return 0; }
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