Provided by: libx11-xcb-perl_0.18-1build1_amd64 bug

NAME
       X11::XCB::Screen - represents an x11 screen


METHODS
   primary
       Returns true if this screen is the primary screen (that is, at position 0x0).

perl v5.30.0                                       2019-10-19                              X11::XCB::Screen(3pm)