Float_u.Optioninclude Core.Immediate_option.S_unboxed_float64 with type value := tval typerep_of_t : t Typerep_lib.Std.Typerep.tval typename_of_t : t Typerep_lib.Std.Typename.tval sexp_of_t : t -> Core.Sexp.tval none : Base.Unit.t -> tval some_is_representable : t @ local -> Base.Bool.tval is_none : t @ local -> Base.Bool.tval is_some : t @ local -> Base.Bool.tmodule Optional_syntax : sig ... end