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template<class T> void setUniformArrayValue(QOpenGLShaderProgram *program,
                                       const QString& arrayName,
                                       const QString& varName,
                                       int index,
                                       const T& value)
{
    std::string name = QString("%1[%2].%3")
            .arg(arrayName)
            .arg(index)
            .arg(varName)
            .toStdString();
    program->setUniformValue(name.c_str(), value);
}
 
 

prog.cpp:3:45: error: variable or field 'setUniformArrayValue' declared void
 template<class T> void setUniformArrayValue(QOpenGLShaderProgram *program,
                                             ^
prog.cpp:3:45: error: 'QOpenGLShaderProgram' was not declared in this scope
prog.cpp:3:67: error: 'program' was not declared in this scope
 template<class T> void setUniformArrayValue(QOpenGLShaderProgram *program,
                                                                   ^
prog.cpp:4:40: error: expected primary-expression before 'const'
                                        const QString& arrayName,
                                        ^
prog.cpp:5:40: error: expected primary-expression before 'const'
                                        const QString& varName,
                                        ^
prog.cpp:6:40: error: expected primary-expression before 'int'
                                        int index,
                                        ^
prog.cpp:7:40: error: expected primary-expression before 'const'
                                        const T& value)
                                        ^

Standard output is empty