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Compiler Error C2383

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'symbol' : default-arguments are not allowed on this symbol

The C++ compiler does not allow default arguments on pointers to functions.

This code was accepted by the Microsoft C++ compiler in versions before Visual Studio 2005, but now gives an error. For code that works in all versions of Visual C++, do not assign a default value to a pointer-to-function argument.

Example

The following example generates C2383, and shows a possible solution:

// C2383.cpp
// compile with: /c
void (*pf)(int = 0);   // C2383
void (*pf)(int);   // OK