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Link Error With Static Constant Char

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So in fact, you "use" it when you pass it by value too, or in a static_cast. Why wasn't Peter Pettigrew bound with an Unbreakable Vow? Browse other questions tagged c++ linker const extern or ask your own question. Word for a single tunnel within a "tunnel complex" or the complex itself Can you have negative sets? Check This Out

Word for a single tunnel within a "tunnel complex" or the complex itself Is the equation pH+pOH=14 still valid at a different temperature? Truth Stone: Effects on the justice system, and criminal world Why are some people so paranoid about music theory? thanks. –Hei Jul 13 '15 at 14:22 | show 11 more comments Did you find this question interesting? If you just use the value as a compile time constant, it often "works anyway". –Bo Persson Apr 1 '11 at 7:32 add a comment| Your Answer draft saved draft http://stackoverflow.com/questions/18614364/link-errors-on-static-const-char

Undefined Reference To Static Const Member

Not the answer you're looking for? C99 has a feature that's like it but not exactly the same rules (i'm not sure of the details). float f = FNUMBER + 3.3; [...] } private: A_TemplateClass aTemplateClass; }; #endif .cpp file #include "A.h" const float A::FNUMBER = 1.3f; UnitTest.cpp file #include "TemplateClass.h" #include "A.h" int main(){ TemplateClass

Students trying to negotiate away penalties for late submission of coursework What is the inner cover of the winter shoes called in English? Truth Stone: Effects on the justice system, and criminal world Pomegranate Chicken Can you benefit from a second casting of Armor of Agathys while the first is still active? I’ll correct it anyway to make it consistent. C++ Extern Const asked 1 year ago viewed 213 times active 1 year ago Blog How Do Software Developers in New York, San Francisco, London and Bangalore… Get the weekly newsletter!

Solution: Define it! Am I right to think this homework problem on counting triangles in a grid is improperly set out? In it, you'll get: The week's top questions and answers Important community announcements Questions that need answers see an example newsletter By subscribing, you agree to the privacy policy and terms more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed

In the source file at global scope, do const char* ClassName::ACH_DEBIT = "ach_debit"; share|improve this answer answered Sep 4 '13 at 12:54 Mahesh 25k105887 add a comment| up vote 1 down Undefined Reference To Static Variable C++ Wouldn't that violate the rule too? –Pubby Nov 4 '11 at 23:22 @Pubby8: ints cheat. Fixed using a static cast. –greggo Nov 20 '15 at 20:57 | show 1 more comment 5 Answers 5 active oldest votes up vote 44 down vote accepted It's intentional, 9.4.2/4 I added another method, essentially the same signature and just reading the gapchar.

C++ Static Constexpr Undefined Reference

Also, hit or miss often means undefined behavior. –jonsca Apr 1 '11 at 1:21 4 Thats just avoiding the question he's asking. –J T Apr 1 '11 at 1:22 What's the appropriate range for the angle of a slide? Undefined Reference To Static Const Member Can you benefit from a second casting of Armor of Agathys while the first is still active? Undefined Reference To Const c++ linker const extern share|improve this question asked Feb 20 '13 at 10:04 AndiDog 39.4k8107171 well, looks like it should be okay stackoverflow.com/questions/2190919/mixing-extern-and-const –Hayri Uğur Koltuk Feb 20 '13

Why is this child portrait not compelling? http://globalinfoindex.com/undefined-reference/link-error-undefined-reference.php Actually, In my real class, I have the ; at the end of the class and a ; instead of . std::min takes it's parameters by reference, so they are odr-used. What is a one word noun for Ethereum? C++ Static Const Linker Error

there is nothing wrong), but in practice does not always work. more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed Browse other questions tagged c++ char const or ask your own question. this contact form The static cast performs lvalue-rvalue conversion immediately, so in C++0x it's not "used".] The practical problem with the const reference is that foo is within its rights to take the address

Save output of Con statement to different folder A world with a special political system Vim: what are all the possible swapfile extensions? Undefined Reference To Function C++ more hot questions question feed default about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation Smaller font for subscript within subscript in math mode Vim: what are all the possible swapfile extensions?

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share|improve this answer edited Mar 4 '15 at 13:07 answered Mar 4 '15 at 4:19 Shafik Yaghmour 102k19238336 so are we clear that constexpr has absolutely nothing to do How to tell if your flight has an air-bridge or stairs? As the other answer suggests, const in C++ implies static. The Loose Astronaut Truth Stone: Effects on the justice system, and criminal world more hot questions question feed lang-cpp about us tour help blog chat data legal privacy policy work here

For example, if you want to use the value as a label in switch, like switch(x) { case value: break; } –Petr Jun 9 at 11:18 add a comment| up vote What if passport is lost and home country has no diplomatic presence? odr-used means to form reference to that variable or take it's address. http://globalinfoindex.com/undefined-reference/link-error-undefined-reference-to.php This still seems to me like a stupid hack that just adds needless complexity to the language definition!!!

Join them; it only takes a minute: Sign up C++: link error with static const variables in template class up vote 0 down vote favorite I'm developing a class that receive i'm sorry i don't have at hand any discussion of it. The codegolf object Who is the tallest? Any ideas what might be wrong with my code?

Linked 2 Undefined reference to static const member 3 trouble with static const integral member declaration 9 static const in c++ class: undefined reference 6 Best code for compiling static const DDH Assumption Not Holding more hot questions question feed lang-cpp about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / The original code would also work if there was a definition, just like the one here but without the initializer. –Pete Becker Jun 6 '13 at 17:57 add a comment| up Or could you remove them to create a better Minimal, Complete, and Verifiable example?

This wording of [basic.def.odr] was changed due to Defect Report 712 since some cases were not covered by this wording but these changes do not change the results for this case. Is Configuration Management useable for a small number of servers? share|improve this answer answered Apr 19 at 14:40 deddebme 118114 4 with char[] you can use sizeof to get the length of the string at compile time, with char * But in general you certainly shouldn't be taking addresses of or references to non-existent objects ;-) share|improve this answer edited Mar 26 '11 at 23:38 answered Mar 22 '11 at 13:30