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Compiler Error C2589

Error Message

'identifier' : illegal token on right side of '::'

If a class, structure, or union name appears to the left of the scope-resolution operator (double colons), the token on the right must be a class, structure, or union member. Otherwise, any global identifier can appear on the right.

The scope-resolution operator cannot be overloaded.

The following sample generates C2589:

// C2589.cpp
void Test(){}
class A {};
void operator :: ();   // C2589

int main() {