Module `Bus.Callback_arity`

type _ t = | Arity1 : ('a -> Core_kernel__.Import.unit) t | Arity2 : ('a -> 'b -> Core_kernel__.Import.unit) t | Arity3 : ('a -> 'b -> 'c -> Core_kernel__.Import.unit) t | Arity4 : ('a -> 'b -> 'c -> 'd -> Core_kernel__.Import.unit) t

val sexp_of_t : ('v_x__001_ -> Ppx_sexp_conv_lib.Sexp.t) -> 'v_x__001_ t -> Ppx_sexp_conv_lib.Sexp.t