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c++ Programming Glossary: odrCalling constexpr in default template argument http://stackoverflow.com/questions/10721130/calling-constexpr-in-default-template-argument d0k zygoloid we should instantiate bar 3 get because it is odr used but we don't because we incorrectly believe it's used in..
What am I allowed to do with a static, constexpr, in-class initialized data member? http://stackoverflow.com/questions/14547986/what-am-i-allowed-to-do-with-a-static-constexpr-in-class-initialized-data-memb be exactly one definition of a static data member that is odr used 3.2 in a program no diagnostic is required Emphases are.. closer to the point. And this is how § 3.2 2 defines an odr used variable A variable whose name appears as a potentially.. name appears as a potentially evaluated expression is odr used unless it is an object that satisfies the requirements..
Why aren't my include guards preventing recursive inclusion and multiple symbol definitions? http://stackoverflow.com/questions/14909997/why-arent-my-include-guards-preventing-recursive-inclusion-and-multiple-symbol of every non inline function or variable that is odr used in that program no diagnostic required. The definition.. shall be defined in every translation unit in which it is odr used . Hence the linker will emit an error and refuse to generate..
Does [=] imply that all local variables will be copied? http://stackoverflow.com/questions/15612513/does-imply-that-all-local-variables-will-be-copied an associated capture default and its compound statement odr uses ... a variable with automatic storage duration and the.. ... a variable with automatic storage duration and the odr used entity is not explicitly captured then the odr used entity.. the odr used entity is not explicitly captured then the odr used entity is said to be implicitly captured ... An entity..
c++ syntax: default and delete modifiers http://stackoverflow.com/questions/16770492/c-syntax-default-and-delete-modifiers declared for you. When the implicitly declared one is odr used it gets implicitly defined as defaulted and thus if it's..
Undefined reference to static const int http://stackoverflow.com/questions/5391973/undefined-reference-to-static-const-int name appears as a potentially evaluated expression is odr used unless it is an object that satisfies the requirements..
C++11 lambda capture semantics http://stackoverflow.com/questions/6181464/c11-lambda-capture-semantics an associated capture default and its compound statement odr uses this or a variable with automatic storage duration and.. this or a variable with automatic storage duration and the odr used entity is not explicitly captured then the odr used entity.. the odr used entity is not explicitly captured then the odr used entity is said to be implicitly captured. Your lambda expression..
How to write `is_complete` template? http://stackoverflow.com/questions/1625105/how-to-write-is-complete-template couldn't be solved in general without violating the ODR rule but there is there a platform specific solution which works..
Template operator linker error http://stackoverflow.com/questions/3007251/template-operator-linker-error is of course an error as it is in direct violation of the ODR One Definition Rule. However most linkers don't report it because..
http://stackoverflow.com/questions/4193639/inline-function-linkage e.g. in multiple translation units is a violation of ODR rules. Inline functions by default have external linkage. Hence.. default have external linkage. Hence as a consequence of ODR rules given below such multiple definitions e.g. in multiple.. accepts such mulitple defintions within the limitations of ODR rules Note that if the function declaration in header is changed..
Is is a good practice to put the declaration of C++ classes into the header file? http://stackoverflow.com/questions/4955159/is-is-a-good-practice-to-put-the-declaration-of-c-classes-into-the-header-file this because of a C policy called the one definition rule ODR which states unsurprisingly that every function and class should.. allows your code to avoid running into trouble with the ODR. Here's how. First whenever you #include the class header file.. that you split the .h and .cpp files apart. Of course the ODR has a few exceptions. The first of these comes up with template..
How to allow copy elision construction for C++ classes (not just POD C structs) http://stackoverflow.com/questions/5877726/how-to-allow-copy-elision-construction-for-c-classes-not-just-pod-c-structs of the same function do not represent a violation of the ODR. Note that if the variable was created inside the function as..
What are the advantages and disadvantages of separating declaration and definition as in C++? http://stackoverflow.com/questions/645778/what-are-the-advantages-and-disadvantages-of-separating-declaration-and-definiti for users of any components you provide. Chances of ODR violations. Reliance on the pre processor many modern languages..
Isn't C++'s inline totally optional? http://stackoverflow.com/questions/908830/isnt-cs-inline-totally-optional of the same entity in your programs another thing of the ODR happens to restrict you. 3.2 5 follows with boring stuff. There.. this example in particular shows the relation between the ODR and entities. What follows is getting back to your particular.. since the function is non inline. You will violate the ODR since you have more than one definition of f if you include..
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