C++ circular dependency - namespace vs struct
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Dead or Alive
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Published on 2011-02-08T21:55:27Z
Indexed on
2011/02/09
7:25 UTC
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Hit count: 149
Filed under:
c++
|namespaces
Please educate me. Why does this compile:
struct compiles
{
struct A;
struct B
{
B(const A &a) : member(a.member) { }
int member;
};
struct A
{
A(const B &b) : member(b.member) { }
int member;
};
};
while this does not:
namespace doesnt
{
struct A;
struct B
{
B(const A &a) : member(a.member) { }
int member;
};
struct A
{
A(const B &b) : member(b.member) { }
int member;
};
}
(in MSVC 9.0)
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