void setCallBack(function<void(int)> callback)

Sets the callback of the variable config

Parameters

callback - The new callback of the variable config

Example

VariableConfig config ({"Option 1", "Option 2", "Option 3"}, "Title");
config.setCallBack([](int i) {
    // Uses i + 1 because the index starts at 0, but the names start at 1
    std::cout << "Option " << i + 1 << " was selected" << std::endl;
});