Process.Primmodule Args : sig ... endval sexp_of_call : ('a, 'b) t -> ('a, 'b) Args.t -> Shexp_sexp.Std.Sexp.tReturn an s-expression representation of a primitive call
val sexp_of_result : ('a, 'b) t -> 'b -> Shexp_sexp.Std.Sexp.t optionReturns None if the result is Unit or Env