qualifiers Questions

2

Is there any way to implement a custom type qualifier (similar to const)? I would like to only allow function calls to functions that are of the right qualification, within functions with the same ...
Mic asked 31/7, 2017 at 15:1

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As quoted in dcl.struct.bind, Let cv denote the cv-qualifiers in the decl-specifier-seq. Designating the non-static data members of E as m 0 , m 1 , m 2 , ... (in declaration order), each v i is...

3

I'm converting a large code to use custom shared pointers instead of raw pointers. I have a problem with overload resolution. Consider this example: #include <iostream> struct A {}; struct...
Usher asked 8/12, 2016 at 13:11

3

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A pointer to non-const data can be implicitly converted to a pointer to const data of the same type: int *x = NULL; int const *y = x; Adding additional const qualifiers to match the additional i...

2

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I'm getting the following error: Error:(8, 1) error: java.lang.String cannot be provided without an @Inject constructor or from an @Provides- or @Produces-annotated method. I'm stuck trying to...
Brower asked 4/1, 2018 at 21:32

4

Is there any practical difference between the following prototypes? void f(const int *p); void f(const int *restrict p); void f(const int *volatile p); The section C11 6.7.6.3/15 (final senten...
Bellhop asked 2/3, 2015 at 21:35

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TL;DR Given the following type: struct A { std::vector<std::string> vec; using reference = std::iterator_traits<decltype(vec)::iterator>::reference; using const_reference = co...
Unselfish asked 22/5, 2018 at 14:38

3

I have a Qualifier where I read from public class TestController{ @Autowired @Qualifier("jdbc") private JdbcTemplate jtm; //..... } The qualifier "jdbc" is the bean defined as @Bean(name ...
Optimal asked 7/5, 2018 at 6:13

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I am looking at the following code: inline void* interlocked_read_acquire(void* volatile* x); and am wondering why not just a volatile void* as an argument. In general what is the semantics or d...
Broomstick asked 28/11, 2014 at 3:48

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In C, are type qualifiers such as const , volatile, restrict , and _Atomic part of the type of an expression? For example const int x = 3; Which is the type of x, const int or int? Does the...
Suspicion asked 17/8, 2017 at 19:2

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@Override @Autowired(required = true) @Qualifier("hibernateCriteriaBuilder") public void setCriteriaBuilder(IQueryCriteriaBuilder<Entity> criteriabuilder) { super.setCriteriaBuilder(criteria...
Eger asked 23/8, 2016 at 21:23

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I'm trying to figure out if what Maven's policy is on custom qualifiers. I know that there exists specific qualifiers in Version strings that maven checks for, such as: 1.0.0-SNAPSHOT 5.3.0-beta-...
Stomato asked 15/8, 2011 at 23:54

0

I have been confused for quite a long time. before build tool v21.0.0, the packaged apk contains the drawable folder structure as below: res/drawable-hdpi res/drawable-ldpi res/drawable-mdpi res/...
Carolinecarolingian asked 29/2, 2016 at 13:2

1

I am writing a DiGraph (directed graph) class with the c++ built in unordered_map<Node*, unordered_set<Edge>> data structure, where Node and Edge are two structs I defined myself. And i...
Araldo asked 27/7, 2015 at 22:29

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I know for a function this simple it will be inlined: int foo(int a, int b){ return a + b; } But my question is, can't the compiler just auto-detect that this is the same as: int foo(const int...
Horta asked 21/4, 2015 at 11:37

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I have started seeing the term "cv-qualified" being thrown around a lot. An answer to my last question: if T is a (possibly cv-qualified) class type (Clause 9), the default constructor (1...
Dimorphous asked 17/12, 2014 at 14:18

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Bjarne explains why const can go either before or after a type. http://www.stroustrup.com/bs_faq2.html#constplacement "const T" and "T const" were - and are - (both) allowed and equivalent. [......
Knighthood asked 20/8, 2014 at 22:54

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My class Game has a member EntityManager entityManager_. The class EntityManager has a private member Player player_ and the public getter function Player &EntityManager::getPlayer() which ret...
Precognition asked 10/7, 2014 at 12:49

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I have a base class that is extended by some other classes. Therefore I have to provide qualifiers for being able to inject a specific instance. I wonder if I could mark any of these classes (eg t...
Atrocious asked 29/1, 2014 at 10:54

2

I have this error: BSPArduino.cpp:316: error: passing 'const BSPArduino' as 'this' argument of 'virtual void BSPArduino::enableWdt(const WATCHDOG_TIMER_DELAY&, const ___bool&)' discards qu...
Cutshall asked 17/1, 2014 at 15:46

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C++11 makes it possible to overload member functions based on reference qualifiers: class Foo { public: void f() &; // for when *this is an lvalue void f() &&; // for when *this is a...
Fresco asked 10/1, 2014 at 19:6

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If I want to extract the type of a const reference (like double from const double&), do I have to use : typename std::remove_cv<typename std::remove_reference<Type>::type>::type ...
Weisbart asked 25/6, 2013 at 10:40

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Is there a way to create a interceptor qualifier annotation that ignores the annotation string value for qualifying? for example: Log.java @Inherited @InterceptorBinding @Target({ElementType.MET...
Tachistoscope asked 16/4, 2013 at 21:6

2

The code below compiles (gcc 4.7.2 or icc 13) and produces "1 2" output. Which means that const qualifier is dropped, i. e., f<int&> has the parameter type int&. Why does it happen? ...
Othilia asked 7/2, 2013 at 21:45

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I can't understand what a qualifier is in UML. For example, in the scanned page, there's a qualifier named "SharedRegister" that has "state" and "plateNumber" in it. Why not just used a class cal...
Apocrine asked 8/5, 2012 at 16:34

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