sfml.system_oo
Oo_sfml_system.clock
sfml.audio
sfml.audio_oo
sfml.graphics
sfml.graphics_oo
sfml.network
sfml.network_oo
sfml.system
sfml.window
sfml.window_oo
val clock : SFClock.t
method get_elapsed_time : unit -> SFTime.t
method restart : unit -> SFTime.t