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c++ Programming Glossary: implicitlyWhat is the difference between NULL, '\0' and 0 http://stackoverflow.com/questions/1296843/what-is-the-difference-between-null-0-and-0 of the null pointer constant. if pointer This if statement implicitly checks is not 0 so we reverse that to mean is 0 . The following..
Is it better in C++ to pass by value or pass by constant reference? http://stackoverflow.com/questions/270408/is-it-better-in-c-to-pass-by-value-or-pass-by-constant-reference able to figure out when passing by value is expensive and implicitly convert the call to use a const ref. In theory. In practice..
http://stackoverflow.com/questions/4172722/what-is-the-rule-of-three types with value semantics . This means that objects are implicitly copied in various contexts and we should understand what copying.. assignment operator nor the destructor ourselves these are implicitly defined for us. Quote from the standard The ... copy constructor.. are special member functions. Note The implementation will implicitly declare these member functions for some class types when the..
What are Aggregates and PODs and how/why are they special? http://stackoverflow.com/questions/4178175/what-are-aggregates-and-pods-and-how-why-are-they-special constructor and or a copy constructor as long as they are implicitly declared by the compiler and not explicitly by the user No private.. constructor is called. If the default constructor is implicitly defined then all nonstatic members are recursively value initialized...
http://stackoverflow.com/questions/4810664/how-do-i-use-arrays-in-c only connection between T n and T m is that both types can implicitly be converted to T and the result of this conversion is a pointer.. x int 8 ^ ^ ^ x 0 x 3 x 7 int Note that the implicitly generated pointer has no name so I wrote x 0 in order to identify..
What does T&& (double ampersand) mean in C++11? http://stackoverflow.com/questions/5481539/what-does-t-double-ampersand-mean-in-c11 constructor assignment operator. rvalue references will implicitly bind to rvalues and to temporaries that are the result of an.. . i.e. float f 0f int i f is well formed because float is implicitly convertible to int the reference would be to a temporary that..
Why is iostream::eof inside a loop condition considered wrong? http://stackoverflow.com/questions/5605125/why-is-iostreameof-inside-a-loop-condition-considered-wrong . I generally use something like while cin n which I guess implicitly checks for EOF why is checking for eof explicitly using iostream..
Difference between 'struct' and 'typedef struct' in C++? http://stackoverflow.com/questions/612328/difference-between-struct-and-typedef-struct-in-c all struct union enum class declarations act like they are implicitly typedef 'ed as long as the name is not hidden by another declaration..
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