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QuestionHelp with STL list::insert Pin
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Questionerror: cannot call member function ‘bool QRegExp::exactMatch(const QString&) const’ without object Pin
Member 1496877119-Jul-22 6:14
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AnswerRe: error: cannot call member function ‘bool QRegExp::exactMatch(const QString&) const’ without object Pin
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Question/std:c++20 broke a template class Pin
Member 1567106212-Jun-22 11:07
Member 1567106212-Jun-22 11:07 
Hi -

I have a template array class based on a std::vector. All worked well w/ c++17, but there is one line I can't seem to port to the new standard. I'm trying to acquire an iterator to the underlying vector.

Any advice is greatly appreciated.

An abbreviated depiction:
C++
template <class Type> class CMy_Array 
{

    private:
		std::vector<Type> m_vItems;

	public:

		CMy_Array()
		{
		}
		virtual ~CMy_Array ()
		{
			m_vItems.clear();
		}
        void InsertAt(int index)
        {

       	//	THE LINE IN QUESTION - trying to acquire an iterator...
        // this worked w/ std:c++17   -

            std::vector<Type>::iterator p =  m_vItems.begin();

        // With c++20, 2 errors occur; 
        // C2760 - syntax error: unexpected token 'identifier', expected ';' , and 
        // C7510 - 'iterator': use of dependent type name must be prefixed with 'typename'

        // Using the documentation for C2760, I modified the line in question as so -

    		std::vector<Type>::iterator p =  static_cast <std::vector<Type>::iterator> m_vItems.begin();

        // This eliminated the C7510 error, but C2760 remains.


        }      
}

AnswerRe: /std:c++20 broke a template class Pin
longjmp24-Nov-22 3:59
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Questionhow to implement CButton as CListbox item Pin
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