21 questions
0
votes
1
answer
2k
views
C++ - What would happen if two library uses same source code for build
I have doubt is it possible if I built lib1.so using source file common.cppand lib2.so using same source file common.cpp again. Now I want to build my application APP using this two library ,
My ...
- 757
-4
votes
2
answers
2k
views
How 'using namespace' works in C++
I am trying to understand namespaces in C++. I read that there are two ways of accessing namespace variables and functions. First one is to write using :: and second one is by using using directive at ...
- 170
2
votes
2
answers
51
views
Resolving name clashes with builtins in a see also documentation section
I have the following class, with a method that hides (or shadows) a builtin function. I want the documentation to contain a "See Also" section, that links to the builtin function that is hidden.
...
- 98.1k
1
vote
3
answers
98
views
How to refer to a type defined in a derived class passed as a template argument?
Consider the following example:
template <typename T>
class A {
private:
typedef typename T::C C;
};
template <typename T>
class B : public A<B<T>> {
public:
typedef T ...
- 57.3k
8
votes
1
answer
516
views
Point of instantiation of a template class
Could that code to be compile?
#include <iostream>
template <typename T>
struct TMPL
{
using TP = typename T::TP; //is CL::TP visible (with T == CL)?
};
struct CL
{
using TP = ...
- 3,174
0
votes
2
answers
562
views
C++ Custom Header File - Syntax Error C2061: identifier
I've been looking into Syntax Error C2061 for a while now, and I have come to understand that it is often caused by circular dependencies of header files. However, I believe I should've resolved this ...
- 1,387
1
vote
2
answers
426
views
Does C++ use static name resolution or dynamic name resolution?
I have been reading about "Name resolution" in wikipedia (Name resolution WIKI) and it has been given in that that C++ uses "Static Name Resolution". If that is true then I couldn't figure out how C++ ...
- 2,115
7
votes
1
answer
184
views
Differences of the interpretation of a non-dependent construct between definition context and point of instantiation in c++
N4527 14.6 [temp.res]/p8
If a hypothetical instantiation of a template immediately
following its definition would be ill-formed due to a construct that does not depend on a template parameter,
...
- 1,295
4
votes
3
answers
4k
views
why getenv() can get name resolved without a std::? [duplicate]
getenv() has a C++ implementation which can be included in the header file . So it is a member of namespace std. However, the getenv() function can be get resolved correctly in my code even without a ...
- 43
3
votes
1
answer
191
views
Are there different rules regarding ADL or naming clashes with regard to overloaded operators?
I think this example best illustrates my question:
namespace N {
class C {
public:
friend bool operator==(const C& c, const C& x) {
return true;
}
...
- 5,582
4
votes
2
answers
852
views
How does a java compiler resolve a non-imported name
Consider I use a type X in my java compilation unit from package foo.bar and X is not defined in the compilation unit itself nor is it directly imported. How does a java compiler resolve X now ...
- 40.4k
4
votes
1
answer
996
views
c++ namespace resolution ("automatic using" based on arguments?)
When I call a function declared in a namespace from outside this namespace, I usually need to explicitly prefix with the namespace:
namespace ns1 {
void myfunc();
}
myfunc(); // compiler ...
- 5,436
6
votes
1
answer
578
views
Dependent name resolution & namespace std / Standard Library
While answering this SO question (better read this "duplicate"), I came up with the following solution to dependent name resolution of an operator:
[temp.dep.res]/1:
In resolving dependent names, ...
- 39.4k
1
vote
3
answers
264
views
namespace detection [duplicate]
I'm trying to write a log library which would use an external tool
To make the library more natural to use, i would like to be able to detect the namespace in which cout is used.
concretly the ...
- 389
24
votes
1
answer
10k
views
Declaration of method changes meaning of symbol
For the following code:
struct foo {};
struct A
{
typedef foo foo_type;
void foo();
};
GCC gives a compiler error:
test.cpp:7:14: error: declaration of 'void A::foo()' [-fpermissive]
...
- 53.6k
-1
votes
1
answer
63
views
How can I call a member from a templated base class on a templated derived class? [closed]
With this setup:
template<int N>
struct Base {
void foo();
};
class Derived : Base<1> {
static void bar(Derived *d) {
//No syntax errors here
d->Base<1>::...
- 98.1k
10
votes
3
answers
306
views
Wrong name resolution when parent and inner class have the same name
I have an odd case with Visual Studio 2003. For somewhat legitimate reasons, I have the following hierarchy:
class A {};
class B : public A {
public:
class A {};
};
class C : public B::A {};
...
- 177k
5
votes
3
answers
4k
views
Reserved names in the global namespace
Arising from my answer to Dynamic array of objects in C++ and as a follow up to What are the rules about using an underscore in a C++ identifier?:
apparently, names beginning with _ followed by an ...
- 25.5k
14
votes
3
answers
326
views
The actual result of name resolution in the class template is different from the c++ 03 standard
I test the code in the c++ standard ISO/IEC 14882-03 14.6.1/9 on Xcode 4.1 and Visual Studio 2008. The outputs of the two compiler are both different from the expected result of the standard.
The ...
- 4,566
44
votes
1
answer
6k
views
List of C++ name resolution (and overloading) rules
Where I can find a list of the rules that a C++ compliant compiler must apply in order to perform names resolution (including overloading)?
I'd like something like a natural-language algorithm or ...
user781847
0
votes
1
answer
140
views
Templates :Name resolution -->IS this statement is true while inheritance?
This is the statement from ISO C++ Standard 14.6/6:
Within the definition of a class template or within the definition of a member of a class template, the keyword typename is not required when ...
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