Ctor not allowed return type

Question

Having code:

struct B {     int* a;     B(int value):a(new int(value))     {   }     B():a(nullptr){}     B(const B&); }  B::B(const B& pattern) {  } 

I'm getting err msg:
'Error 1 error C2533: 'B::{ctor}' : constructors not allowed a return type'

Any idea why?
P.S. I'm using VS 2010RC

Answer 1

You're missing a semicolon after your struct definition.

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The error is correct, constructors have no return type. Because you're missing a semicolon, that entire struct definition is seen as a return type for a function, as in:

// vvv return type vvv struct { /* stuff */ } foo(void) { } 

Add your semicolon:

struct B {     int* a;     B(int value):a(new int(value))     {   }     B():a(nullptr){}     B(const B&); }; // end class definition  // ah, no return type B::B(const B& pattern) {  }