Error Cannot Declare Member Function To Have Static Linkage
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here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings error cannot declare member function to have static linkage -fpermissive and policies of this site About Us Learn more about Stack Overflow error cannot declare member function ‘static the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation c++ static member function Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it invalid use of member in static member function only takes a minute: Sign up Static member functions error; How to properly write the signature? up vote 88 down vote favorite 10 I am getting an error when trying to compile my code in g++ using the current signature: cannot declare member function static void Foo::Bar(std::ostream&, const Foo::Node*) to have static linkage My question is twofold: Why does it not
Cannot Define Member Function Within C++
Compile this way? What is the correct signature, and why? Signatures have always been the death of me when using C++ Edit: Here is the class header file, as well: class Foo { public: Foo(); ~Foo(); bool insert(const Foo2 &v); Foo * find(const Foo2 &v); const Foo * find(const Foo2 &v) const; void output(ostream &s) const; private: //Foo(const Foo &v); //Foo& operator =(const Foo &v); //Not implemented; unneeded struct Node { Foo2 info; Node *left; Node *right; }; Node * root; static bool insert(const Foo2 &v, Node *&p); static void output(ostream &s, const Node *p); static void deleteAll(Node *p); c++ static-members method-signature static-function share|improve this question edited Nov 15 '11 at 0:33 asked Nov 15 '11 at 0:23 Joshua 1,49242246 You should include all the relevant lines from the g++ error. –Keith Layne Nov 15 '11 at 0:49 2 The error message you list can't be produced by the code you posted. There is no Foo::Bar anywhere in your program fragment. Please post a complete, minimal program that demonstrates the error you are having. A compl
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C++ Static Member Function Definition Outside Class
About Us Learn more about Stack Overflow the company Business Learn more about undefined reference to static variable hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join undefined reference to static member the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Static methods in C++ http://stackoverflow.com/questions/8130066/static-member-functions-error-how-to-properly-write-the-signature up vote 82 down vote favorite 12 I am having a little trouble working with static methods in C++ Example .h: class IC_Utility { public: IC_Utility(); ~IC_Utility(); std::string CP_PStringToString( const unsigned char *outString ); void CP_StringToPString( std::string& inString, unsigned char *outString, short inMaxLength ); static void CP_StringToPString( std::string& inString, unsigned char *outString); void CP_StringToPString( FxString& inString, FxUChar *outString); }; Example .cpp: static void IC_Utility::CP_StringToPString(std::string& inString, unsigned http://stackoverflow.com/questions/5980520/static-methods-in-c char *outString) { short length = inString.length(); if( outString != NULL ) { if( length >= 1 ) CPLAT::CP_Utility::CP_CopyMemory( inString.c_str(), &outString[ 1 ], length ); outString[ 0 ] = length; } } I wanted to make a call like: IC_Utility::CP_StringToPString(directoryNameString, directoryName ); But I get an error: error: cannot declare member function 'static void IC_Utility::CP_StringToPString(std::string&, unsigned char*)' to have static linkage I dont understand why I cannot do this. Can anyone help me understand why and how to achieve what I want? c++ static-linking share|improve this question asked May 12 '11 at 15:33 ABV 415145 2 First of all, you should remove the static keyword in the .cpp file. C++ does not permit it. –Fezvez May 12 '11 at 15:36 What line is the error for? –David Thornley May 12 '11 at 15:37 6 @Fezvez: Alternately, replace it with /* static */. I like having the same modifiers and default arguments in the .h and .cpp files. –David Thornley May 12 '11 at 15:40 add a comment| 4 Answers 4 active oldest votes up vote 149 down vote accepted Remove static keyword in method definition. Keep it just in yo
can we define static member function outside the class, as myself trying http://www.cplusplus.com/forum/general/25050/ gives compilation error. please correct me if i've specified wrong syntax. class A { static int count; public : A() { count ++; } static http://d.hatena.ne.jp/mooz/20090310/p2 void A::countobjects (void) { cout<<"Number of objects="<
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