sig
type result = Exp of Typeinf_syntax.Implicit.exp | ParseError of string
val parse : string -> Typeinf_util.result
val parse_from_file : string -> Typeinf_util.result
val print_exp : Typeinf_syntax.Explicit.exp -> unit
val string_of_exp : Typeinf_syntax.Explicit.exp -> string
val string_of_typ : Typeinf_syntax.Explicit.typ -> string
val print_typ : Typeinf_syntax.Explicit.typ -> unit
end