modifierKeys :: [GLFW.Key]
modifierKeys =
    [ GLFW.Key'LeftControl
    , GLFW.Key'RightControl
    , GLFW.Key'LeftShift
    , GLFW.Key'RightShift
    ]
modifierKeys :: [GLFW.Key]
modifierKeys =
    [ GLFW.Key'LeftControl
    , GLFW.Key'RightControl
    , GLFW.Key'LeftShift
    , GLFW.Key'RightShift
    ]
modifierKeys =
    [ GLFW.Key'LeftControl
    , GLFW.Key'RightControl
    , GLFW.Key'LeftShift
    , GLFW.Key'RightShift
    ]