https://bugs.kde.org/show_bug.cgi?id=362019
--- Comment #4 from Soaph <huangkai950...@gmail.com> ---
Maybe I did not emphasize the condition.
In my desktop environment, it freezes when I click 'show uses' to the OpenGL
glfw functions or macros, maybe you could try it out in a OpenGL project.
For your example, I got no freezing as well, so it may be the problem of some
specific projects on specific libraries.
(In reply to Akshay from comment #3)
> this is the code I used from cplusplus.com as an example:
> it works perfectly fine when I do
> Move cursor over it, and click 'show uses'
>
>
> //code from here
> // function example
> #include <iostream> // std::cout
> #include <functional> // std::function, std::negate
>
> // a function:
> int half(int x) {return x/2;}
>
> // a function object class:
> struct third_t {
> int operator()(int x) {return x/3;}
> };
>
> // a class with data members:
> struct MyValue {
> int value;
> int fifth() {return value/5;}
> };
>
> int main () {
> std::function<int(int)> fn1 = half; // function
> std::function<int(int)> fn2 = ½ // function pointer
> std::function<int(int)> fn3 = third_t(); // function object
> std::function<int(int)> fn4 = [](int x){return x/4;}; // lambda expression
> std::function<int(int)> fn5 = std::negate<int>(); // standard
> function object
>
> std::cout << "fn1(60): " << fn1(60) << '\n';
> std::cout << "fn2(60): " << fn2(60) << '\n';
> std::cout << "fn3(60): " << fn3(60) << '\n';
> std::cout << "fn4(60): " << fn4(60) << '\n';
> std::cout << "fn5(60): " << fn5(60) << '\n';
>
> // stuff with members:
> std::function<int(MyValue&)> value = &MyValue::value; // pointer to data
> member
> std::function<int(MyValue&)> fifth = &MyValue::fifth; // pointer to
> member function
>
> MyValue sixty {60};
>
> std::cout << "value(sixty): " << value(sixty) << '\n';
> std::cout << "fifth(sixty): " << fifth(sixty) << '\n';
>
> return 0;
> }
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