Shows how to create a value output with Fl_Value_Output valuator.
To build this project, open "Terminal" and type following lines:
mkdir build && cd build
cmake ..
start Value_Output.slnSelect Value_Output project and type Ctrl+F5 to build and run it.
mkdir build && cd build
cmake .. -G "Xcode"
open ./Value_Output.xcodeprojSelect Value_Output project and type Cmd+R to build and run it.
mkdir build && cd build
cmake ..
cmake --build . --config Debug
./Value_Output