unable to resolve identifier push_back

I have a small problem with C++ vector. In my .H file i have

class MyClass{ 
private:
    std::vector<myObject> test;
public:
    MyClass();
    add(myObject object);
}

In my .CPP file

MyClass::MyClass(){
    std::vector<myObject> test;
}
MyClass::add(myObject object){
//here is the problem. Netbeans does even giving me quick cast this method i need to write it myself and it throws an error.
    test.push_back(object);
}

I am using NetBeans 8 and it says "Unable to resolve identfier push_back and I don't know why. I'm pretty new to C++ and done some research but it seems like I can't find the answer. My goal is to have .H file and i initialize vector in .CPP and then i want to have separate function like add to push my objects to this class that contains a vector. Something like a list where you can add your objects.

Thank You for help.

EDIT: And yes I include vector at the top.

EDIT: Thats the code

   #include <vector>

class MyClass{ 
private:
    int a;
    std::vector<int> test;
public:
    MyClass();
    void add(int n);
};

MyClass::MyClass(){
}

void MyClass::add(int m){
//unable to resolve identifier push_back
    test.push_back(m);
}

int main() {

    MyClass a();
//request for member add in a which is of non class type
    a.add(1);


}

You forgot to add return type for add method. Try this in H:

void add(myObject object);

And this in CPP:

void MyClass::add(myObject object){

unable to resolve identifier push_back - c++ - android, public: MyClass(); void add(int n); }; MyClass::MyClass(){ } void MyClass::add(​int m){ //unable to resolve identifier push_back test.push_back(m); } int main()  Bug 248908 - C++ Code assistance incorrectly marks "unable to resolve identifier" in two-namespace files with std class members Summary: C++ Code assistance incorrectly marks "unable to resolve identifier" in two-n

int main() {

    MyClass a();
//request for member add in a which is of non class type
    a.add(1);


}

//request for member add in a which is of non class type

Because a is not a MyClass object. In order to make it one, you need to construct it like this:

MyClass a{};

or simply like this:

MyClass a;

Otherwise it is treated as function declaration. Here it is, compiled with no errors https://ideone.com/y7fQXo

unable to resolve identifier push_back, unable to resolve identifier push_back. I have a small problem with C++ vector. In my .H file i have class MyClass{ private:  Unable to resolve identifier stoi. I'm trying to parse the string into an integer and I'm not really sure what I'm doing wrong: string input; cin >> input; int s = std::stoi(input); This will not build and raises the error: 'stoi' is not a member of 'std'. Try adding a semicolon at the end of the 'cin' statement.

Based on your "full" code (which doesn't show the dividing line between .h and .cpp, but I'm taking you at your word that the code is complete), it's clear there is only one #include, at the top of the .h code. I'm assuming the .cpp code begins with the line MyClass::MyClass(){, which means it has no includes. Thus, it doesn't have any of the information from your header, and by extension, has none of the information from <vector>.

#include <vector> is needed in your .h (because you used vector in the class definition), but you also need to #include "myclass.h" (or whatever you named your header file) in myclass.cpp (or whatever you named the source file).

Without it, while the compiler is compiling the .cpp file, it's just stumbling in the dark. It has no definition for MyClass as a whole, and therefore has no idea test is a member of type vector<int>. Not knowing what test is (and for that matter, not knowing what a vector<int> is), it can't resolve any methods on it.

To make this work, you need to include your .h in your .cpp so the compiler has the declarations to interpret your method definitions. If your header is named myclass.h, add:

#include "myclass.h"

to the top of your .cpp. For good measure, it might also make sense to explicitly #include <vector> in the source file as well; yes, it will get it by side-effect via including the header, but it's largely harmless to double-include standard library headers (protected against double-inclusion via include guards), and it makes it clear what standard library components you're relying on (useful to maintainers).

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174581 – template: Unable to resolve identifier, Bug 174581 - template: Unable to resolve identifier class tst { public: tst() { list_of_pair.push_back(make_pair(1,2)); unsigned first_element  But when it fails to resolve structure members which hold other nested structures and membersetc and when you based your code on such structural style like my current project - it becomes HELL trying to write even few lines, cause code assistant does'n work for unresolved ones of course.

NetBeans' "Unable to resolve identifier std" error, NetBeans' "Unable to resolve identifier std" error. Wed Nov 25 2009 14:50:17 GMT+0000 (Greenwich Mean Time). Tried to use some C++ STL includes to no  Unable to resolve identifier Hello, For some reason I'm getting errors in the editor, saying "Unable to resolve identifier," and this happens for anything I use that is defined in the header file. The project compiles fine, though. For example: Unable to resolve identifier ADCON0bits Unable to resolve identifier TRISDbits

Ubuntu Forums, was not declared in this scope. i look at the vector and see that it says it is unable to resolve identifier vector. (yes vertices.push_back(vert);. Unable to resolve identifier. Unable to resolve identifier. sometimes when I start MPLAX X 1.00 many errors are marked. This are defines in a header in a seperate directive, but the path is included in "Classes". And of course an #include in the c-file in what I want to use the defines. Building the project works without problems.

Comments
  • Not what you asked about, but the constructor creates an extra local vector called test and throws that away immediately. This is not the same as the class member test.
  • There's a lot of things wrong with the code. Post a verifiable example.
  • Please edit your question to include a minimal reproducible example. And is that the full error message?
  • Provide a minimal reproducible example, this code is far too incomplete to allow anything diagnosable.
  • Tried it already and it does not fix the problem. push_back is still not resolved.
  • @Matt compiles flawlessly here.
  • Yes it compiles but copy and past it into netbeans and you will see my error. Its like i cant call push_back on vector.
  • You should add ; at the end of H file after class definition as well.
  • When I want to use .add() method in main file it doesnt compile and gives main.cpp:24:7: error: request for member 'add' in 'a', which is of non-class type 'MyClass()' error.
  • Yes it fixed one problem thank you but i still cannot use push_back inside of a method. It compiles but it gives me an error that push_back cannot be resolved.I read online it might be with some netbeans bug but i dont know if thats the issue.
  • Done it already. Question can be closed. I dont exactly remember what the solution was but i sorted it out ;)