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POError with calling variable from a class
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copied!<pre><code>class Vars{ public: char *appData = getenv("AppData"); string dir = strcat(appData, "\\Adam"); }; </code></pre> <p>This is my class</p> <p>And this is how I'm trying to use it:</p> <pre><code>void write(string data){ ofstream outfile(Vars.dir + "\\data"); //here's the error outfile << data; outfile.close(); } </code></pre> <p>This is the error:</p> <pre><code>main.cpp|88|error: expected ',' or '...' before '.' token| </code></pre> <p>Is this not the way to call variables from a class? Classname.variable/functionname ?</p> <p>EDIT: So after making instances of my Vars class, I'm getting these errors:</p> <pre><code>main.cpp|19|warning: non-static data member initializers only available with -std=c++11 or -std=gnu++11 [enabled by default]| main.cpp|20|warning: non-static data member initializers only available with -std=c++11 or -std=gnu++11 [enabled by default]| main.cpp||In function 'void write(std::string)':| main.cpp|88|error: no matching function for call to 'std::basic_ofstream<char>::open(std::string&)'| main.cpp|88|note: candidate is:| mingw32\4.7.1\include\c++\fstream|702|note: void std::basic_ofstream<_CharT, _Traits>::open(const char*, std::ios_base::openmode) [with _CharT = char; _Traits = std::char_traits<char>; std::ios_base::openmode = std::_Ios_Openmode]| mingw\bin\..\lib\gcc\mingw32\4.7.1\include\c++\fstream|702|note: no known conversion for argument 1 from 'std::string {aka std::basic_string<char>}' to 'const char*'| main.cpp||In function 'std::string read(std::string)':| main.cpp|96|error: no matching function for call to 'std::basic_ifstream<char>::open(std::string&)'| main.cpp|96|note: candidate is:| mingw32\4.7.1\include\c++\fstream|531|note: void std::basic_ifstream<_CharT, _Traits>::open(const char*, std::ios_base::openmode) [with _CharT = char; _Traits = std::char_traits<char>; std::ios_base::openmode = std::_Ios_Openmode]| mingw32\4.7.1\include\c++\fstream|531|note: no known conversion for argument 1 from 'std::string {aka std::basic_string<char>}' to 'const char*'| main.cpp||In function 'int read(int)':| main.cpp|107|error: no matching function for call to 'std::basic_ifstream<char>::open(std::string&)'| main.cpp|107|note: candidate is:| mingw32\4.7.1\include\c++\fstream|531|note: void std::basic_ifstream<_CharT, _Traits>::open(const char*, std::ios_base::openmode) [with _CharT = char; _Traits = std::char_traits<char>; std::ios_base::openmode = std::_Ios_Openmode]| mingw32\4.7.1\include\c++\fstream|531|note: no known conversion for argument 1 from 'std::string {aka std::basic_string<char>}' to 'const char*'| main.cpp|108|error: expected ';' before 'if'| </code></pre>

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