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c++ Programming Glossary: standardWhat is the difference between a definition and a declaration? http://stackoverflow.com/questions/1410563/what-is-the-difference-between-a-definition-and-a-declaration comments to other questions I'll paste a quote from the C standard here. At 3.1 2 C 03 says A declaration is a definition unless.. S S a and S b struct S declares S To sum it up The C standard considers struct x to be a declaration and struct x a definition..
What are the rules about using an underscore in a C++ identifier? http://stackoverflow.com/questions/228783/what-are-the-rules-about-using-an-underscore-in-a-c-identifier just an underscore as in _foo . Is this allowed by the C standard c standards c faq share improve this question The rules.. as in _foo . Is this allowed by the C standard c standards c faq share improve this question The rules which did not.. in namespace std 17.4.3.1 . Because C is based on the C standard 1.1 2 C 03 and C99 is a normative reference 1.2 1 C 03 these..
http://stackoverflow.com/questions/236129/how-to-split-a-string-in-c way to extract tokens from an input string relying only on standard library facilities. It's an example of the power and elegance..
Undefined, unspecified and implementation-defined behavior http://stackoverflow.com/questions/2397984/undefined-unspecified-and-implementation-defined-behavior do According to section 2.14.5 paragraph 11 of the C standard it invokes undefined behavior The effect of attempting to modify.. exactly the problem with undefined behavior. Basically the standard allows anything to happen once you invoke undefined behavior.. according to your mental model of the language. If the C standard says it's undefined behavior then it's undefined behavior period...
http://stackoverflow.com/questions/4172722/what-is-the-rule-of-three these are implicitly defined for us. Quote from the standard The ... copy constructor and copy assignment operator ... and.. released in the destructor. Let us go back in time to pre standard C . There was no such thing as std string and programmers were.. of them. Unfortunately this rule is not enforced by the C standard or any compiler I am aware of. Advice Most of the time you do..
http://stackoverflow.com/questions/4421706/operator-overloading ™s type. However their left operands are streams from the standard library and while most of the stream output and input operators.. of the stream output and input operators defined by the standard library are indeed defined as members of the stream classes.. input operations for your own types you cannot change the standard library ™s stream types. That ™s why you need to implement these..
Why can templates only be implemented in the header file? http://stackoverflow.com/questions/495021/why-can-templates-only-be-implemented-in-the-header-file only be implemented in the header file Quote from The C standard library a tutorial and handbook The only portable way of using..
What are the differences between pointer variable and reference variable in C++? http://stackoverflow.com/questions/57483/what-are-the-differences-between-pointer-variable-and-reference-variable-in-c on it as in obj 5 . To clarify a misconception The C standard is very careful to avoid dictating how a compiler must implement..
What are the rules about using an underscore in a C++ identifier? http://stackoverflow.com/questions/228783/what-are-the-rules-about-using-an-underscore-in-a-c-identifier to add template specializations though. From the 2003 C Standard 17.4.3.2.1 Global names lib.global.names Certain sets of names.. reference 1.2 1 C 03 these also apply from the 1999 C Standard 7.1.3 Reserved identifiers Each header declares or defines all..
Undefined, unspecified and implementation-defined behavior http://stackoverflow.com/questions/2397984/undefined-unspecified-and-implementation-defined-behavior behavior The semantic descriptions in this International Standard define a parameterized nondeterministic abstract machine. Certain.. the abstract machine are described in this International Standard as implementation defined for example sizeof int . These constitute.. the abstract machine are described in this International Standard as unspecified for example order of evaluation of arguments..
Undefined Behavior and Sequence Points http://stackoverflow.com/questions/4176328/undefined-behavior-and-sequence-points you crazy. Pre requisites An elementary knowledge of C Standard What are Sequence Points The Standard says At certain specified.. knowledge of C Standard What are Sequence Points The Standard says At certain specified points in the execution sequence called.. What are the common sequence points listed in the C Standard Those are at the end of the evaluation of full expression §1.9..
Where and why do I have to put the “template” and “typename” keywords? http://stackoverflow.com/questions/610245/where-and-why-do-i-have-to-put-the-template-and-typename-keywords non type it will be parsed as an expression. So the draft Standard says at 3.7 Some names denote types or templates. In general.. are generally said to depend on template parameters. The Standard defines precisely the rules by whether a construct is dependent.. represent names. A name can take different forms the draft Standard says A name is a use of an identifier 2.11 operator function..
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