sig
val add : Oo_sfml_system.time -> Oo_sfml_system.time -> Oo_sfml_system.time
val sub : Oo_sfml_system.time -> Oo_sfml_system.time -> Oo_sfml_system.time
val mul : float -> Oo_sfml_system.time -> Oo_sfml_system.time
val mult : Oo_sfml_system.time -> float -> Oo_sfml_system.time
val div : Oo_sfml_system.time -> float -> Oo_sfml_system.time
val ( + ) :
Oo_sfml_system.time -> Oo_sfml_system.time -> Oo_sfml_system.time
val ( - ) :
Oo_sfml_system.time -> Oo_sfml_system.time -> Oo_sfml_system.time
val ( * ) : float -> Oo_sfml_system.time -> Oo_sfml_system.time
val ( *. ) : Oo_sfml_system.time -> float -> Oo_sfml_system.time
val ( / ) : Oo_sfml_system.time -> float -> Oo_sfml_system.time
end