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c++ Programming Glossary: constructionWhat does the explicit keyword in C++ mean? http://stackoverflow.com/questions/121162/what-does-the-explicit-keyword-in-c-mean reason you might want to do this is to avoid accidental construction that can hide bugs. Contrived example You have a MyString int..
Constructor initialization-list evaluation order http://stackoverflow.com/questions/1242830/constructor-initialization-list-evaluation-order before b_ in this case. Can you guarantee the order of construction e.g. class A public A OtherClass o string x int y a_ o b_ a_..
How to pass parameters correctly? http://stackoverflow.com/questions/15600499/how-to-pass-parameters-correctly std forward CreditCard creditCard This will cause a copy construction of creditCard as you would wish. On the other hand when an rvalue.. std forward CreditCard creditCard This will cause a move construction of creditCard which is what you want because the value being..
http://stackoverflow.com/questions/3106110/what-is-move-semantics is still an independent object from the argument but its construction was trivial since the heap data didn't have to be copied just..
What is the copy-and-swap idiom? http://stackoverflow.com/questions/3279543/what-is-the-copy-and-swap-idiom use our custom swap operator skipping over the unnecessary construction and destruction of our class that std swap would entail. An.. guarantee for free we won't even enter the function if construction of the copy fails and it's therefore not possible to alter the.. other ... What's going on here Recall the goal of move construction to take the resources from another instance of the class leaving..
Finding C++ static initialization order problems http://stackoverflow.com/questions/335369/finding-c-static-initialization-order-problems safe. but C 03 does not officially guarantee that the construction of static function objects is thread safe. So technically the.. order of destruction is the exact inverse of the order of construction. So if you access the object in your destructor you must guarantee..
http://stackoverflow.com/questions/5926103/most-vexing-parsec the compiler would spot ambiguity on time_keeper Timer construction. c most vexing parse share improve this question This is..
http://stackoverflow.com/questions/6403055/object-destruction-in-c definition Foo y Note that the relative order of construction and destruction of static objects defined in different translation.. base class subobjects If an exception is thrown during the construction of one of Foo 's subobjects then all its previously constructed.. in descending order. If an exception is thrown during the construction of the n th element the elements n 1 to 0 are destructed before..
http://stackoverflow.com/questions/712639/understanding-the-meaning-of-the-term-and-the-concept-raii-resource-acquisiti that file that.file that.file 0 return this If construction fails with an exception no other member function not even the.. Logger constructor. RAII simplifies cleanup after partial construction. Negative points Negative points All problems can be solved..
How do I pass a unique_ptr argument to a constructor or a function? http://stackoverflow.com/questions/8114276/how-do-i-pass-a-unique-ptr-argument-to-a-constructor-or-a-function we gave the function via std move nextBase . It is the construction of this temporary that actually moves the value from nextBase..
Why should I prefer to use member initialization list? http://stackoverflow.com/questions/926752/why-should-i-prefer-to-use-member-initialization-list your constructors If so why If not why not c oop object construction share improve this question For POD class members it makes..
(Im)perfect forwarding with variadic templates http://stackoverflow.com/questions/13296461/imperfect-forwarding-with-variadic-templates foo_impl Arg ... explicit foo Arg arg Benefit Construction and conversion of foo_impl are now necessary and sufficient..
Why is “boost::function = boost::bind(…)” creating 13 temporaries? http://stackoverflow.com/questions/14617835/why-is-boostfunction-boostbind-creating-13-temporaries nConstructing function n func boost bind Function f printf Construction complete n n I expect that the function object contains a copy.. ~Foo Foo Foo const Foo Foo ~Foo Foo ~Foo Foo ~Foo Foo ~Foo Construction complete I can't use ref or cref because I do need it to make..
Flattening a 3D array in c++ for use with MPI http://stackoverflow.com/questions/16288944/flattening-a-3d-array-in-c-for-use-with-mpi array which points to data i j 0 if data was a 3D array . Construction of the dope vector works similar to this double data new double..
How to parse text for a DSL at compile time? http://stackoverflow.com/questions/17783393/how-to-parse-text-for-a-dsl-at-compile-time an input string and returns the result of parsing. 2. Construction of the expression Let's look at an example walkthrough of the..
Which Typesafe Enum in C++ Are You Using? http://stackoverflow.com/questions/217549/which-typesafe-enum-in-c-are-you-using verbose and limited typesafeenum.h struct TypesafeEnum Construction public TypesafeEnum id next_id name TypesafeEnum const std string..
http://stackoverflow.com/questions/2496918/singleton-pattern-in-c in a Last In First Out fashion. What happens here then Construction on first access initialization is fine I register the CleanUp..
When is #include <new> library required in C++? http://stackoverflow.com/questions/2788388/when-is-include-new-library-required-in-c using namespace std class MyClass public MyClass cout Construction MyClass. this endl ~MyClass imember 0 cout Destructing MyClass...
Is there an implicit default constructor in C++? http://stackoverflow.com/questions/563221/is-there-an-implicit-default-constructor-in-c of declaration. Return a reference to this. Note Copy Construction Assignment operator of POD Data is just copying the data Hence..
C++, Classes, Const, and strange syntax http://stackoverflow.com/questions/5656664/c-classes-const-and-strange-syntax const ConstCheater ccp that may have been expected. 2. Construction of const object The stranger thing is though is that this is..
dynamic_cast of “this” inside constructor http://stackoverflow.com/questions/6299266/dynamic-cast-of-this-inside-constructor it fails to do what you want it to because of UB. 12.7 Construction and destruction class.cdtor Paragraph 3 To explicitly or implicitly..
Handling WM_PAINT in a Subclassed CStatic Control http://stackoverflow.com/questions/7187072/handling-wm-paint-in-a-subclassed-cstatic-control RGB 120 255 0 And subclassed class CMyDlg public CDialog Construction CMyStatic my_static ... BOOL CCMyDlg OnInitDialog CDialog OnInitDialog..
Order of calling constructors/destructors in inheritance http://stackoverflow.com/questions/7539282/order-of-calling-constructors-destructors-in-inheritance execution call hierarchy share improve this question Construction always starts from the base class . If there are multiple base..
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