adamc@56: type int
adamc@56: type float
adamc@56: type string
adamc@436: type time
adamc@91: 
adamc@119: type unit = {}
adamc@119: 
adamc@186: datatype bool = False | True
adamc@186: 
adamc@288: datatype option t = None | Some of t
adamc@284: 
adamc@91: 
adamc@256: (** Basic type classes *)
adamc@256: 
adamc@256: class eq
adamc@256: val eq : t ::: Type -> eq t -> t -> t -> bool
adamc@257: val ne : t ::: Type -> eq t -> t -> t -> bool
adamc@256: val eq_int : eq int
adamc@394: val eq_float : eq float
adamc@256: val eq_string : eq string
adamc@256: val eq_bool : eq bool
adamc@437: val eq_time : eq time
adamc@422: val mkEq : t ::: Type -> (t -> t -> bool) -> eq t
adamc@256: 
adamc@389: class num
adamc@417: val zero : t ::: Type -> num t -> t
adamc@389: val neg : t ::: Type -> num t -> t -> t
adamc@389: val plus : t ::: Type -> num t -> t -> t -> t
adamc@389: val minus : t ::: Type -> num t -> t -> t -> t
adamc@389: val times : t ::: Type -> num t -> t -> t -> t
adamc@389: val div : t ::: Type -> num t -> t -> t -> t
adamc@389: val mod : t ::: Type -> num t -> t -> t -> t
adamc@389: val num_int : num int
adamc@390: val num_float : num float
adamc@389: 
adamc@391: class ord
adamc@391: val lt : t ::: Type -> ord t -> t -> t -> bool
adamc@391: val le : t ::: Type -> ord t -> t -> t -> bool
adamc@391: val gt : t ::: Type -> ord t -> t -> t -> bool
adamc@391: val ge : t ::: Type -> ord t -> t -> t -> bool
adamc@391: val ord_int : ord int
adamc@394: val ord_float : ord float
adamc@394: val ord_string : ord string
adamc@394: val ord_bool : ord bool
adamc@437: val ord_time : ord time
adamc@391: 
adamc@256: 
adamc@283: (** String operations *)
adamc@283: 
adamc@283: val strcat : string -> string -> string
adamc@283: 
adamc@286: class show
adamc@286: val show : t ::: Type -> show t -> t -> string
adamc@286: val show_int : show int
adamc@286: val show_float : show float
adamc@286: val show_string : show string
adamc@286: val show_bool : show bool
adamc@436: val show_time : show time
adamc@452: val mkShow : t ::: Type -> (t -> string) -> show t
adamc@286: 
adamc@290: class read
adamc@290: val read : t ::: Type -> read t -> string -> option t
adamc@292: val readError : t ::: Type -> read t -> string -> t
adamc@292: (* [readError] calls [error] if the input is malformed. *)
adamc@290: val read_int : read int
adamc@290: val read_float : read float
adamc@290: val read_string : read string
adamc@290: val read_bool : read bool
adamc@436: val read_time : read time
adamc@288: 
adamc@283: 
adamc@564: (** * Monads *)
adamc@564: 
adamc@564: class monad :: Type -> Type
adamc@564: val return : m ::: (Type -> Type) -> t ::: Type
adamc@564:              -> monad m
adamc@564:              -> t -> m t
adamc@564: val bind : m ::: (Type -> Type) -> t1 ::: Type -> t2 ::: Type
adamc@564:            -> monad m
adamc@564:            -> m t1 -> (t1 -> m t2)
adamc@564:            -> m t2
adamc@564: 
adamc@456: con transaction :: Type -> Type
adamc@564: val transaction_monad : monad transaction
adamc@456: 
adamc@565: con source :: Type -> Type
adamc@565: val source : t ::: Type -> t -> transaction (source t)
adamc@575: val set : t ::: Type -> source t -> t -> transaction unit
adamc@601: val get : t ::: Type -> source t -> transaction t
adamc@565: 
adamc@565: con signal :: Type -> Type
adamc@565: val signal_monad : monad signal
adamc@565: val signal : t ::: Type -> source t -> signal t
adamc@456: 
adamc@456: 
adamc@456: (** HTTP operations *)
adamc@456: 
adamc@456: val requestHeader : string -> transaction (option string)
adamc@456: 
adamc@459: con http_cookie :: Type -> Type
adamc@459: val getCookie : t ::: Type -> http_cookie t -> transaction (option t)
adamc@459: val setCookie : t ::: Type -> http_cookie t -> t -> transaction unit
adamc@459: 
adamc@456: 
adamc@566: (** JavaScript-y gadgets *)
adamc@566: 
adamc@566: val alert : string -> transaction unit
adamc@694: val spawn : transaction unit -> transaction unit
adamc@695: val sleep : int -> transaction unit
adamc@566: 
adamc@566: 
adamc@678: (** Channels *)
adamc@678: 
adamc@678: con channel :: Type -> Type
adamc@678: val channel : t ::: Type -> transaction (channel t)
adamc@678: val send : t ::: Type -> channel t -> t -> transaction unit
adamc@678: val recv : t ::: Type -> channel t -> transaction t
adamc@678: 
adamc@682: type client
adamc@682: val self : transaction client
adamc@682: 
adamc@678: 
adamc@203: (** SQL *)
adamc@203: 
adamc@705: con sql_table :: {Type} -> {{Unit}} -> Type
adamc@203: 
adamc@704: (*** Constraints *)
adamc@704: 
adamc@705: con sql_constraints :: {Type} -> {{Unit}} -> Type
adamc@705: (* Arguments: column types, uniqueness implications of constraints *)
adamc@704: 
adamc@705: con sql_constraint :: {Type} -> {Unit} -> Type
adamc@704: 
adamc@705: val no_constraint : fs ::: {Type} -> sql_constraints fs []
adamc@705: val one_constraint : fs ::: {Type} -> unique ::: {Unit} -> name :: Name
adamc@705:                      -> sql_constraint fs unique
adamc@705:                      -> sql_constraints fs [name = unique]
adamc@705: val join_constraints : fs ::: {Type}
adamc@705:                        -> uniques1 ::: {{Unit}} -> uniques2 ::: {{Unit}} -> [uniques1 ~ uniques2]
adamc@705:     => sql_constraints fs uniques1 -> sql_constraints fs uniques2
adamc@705:        -> sql_constraints fs (uniques1 ++ uniques2)
adamc@705: 
adamc@705: val unique : rest ::: {Type} -> t ::: Type -> unique1 :: Name -> unique :: {Type}
adamc@705:              -> [[unique1] ~ unique] => [[unique1 = t] ++ unique ~ rest]
adamc@705:     => sql_constraint ([unique1 = t] ++ unique ++ rest) ([unique1] ++ map (fn _ => ()) unique)
adamc@704: 
adamc@704: 
adamc@204: (*** Queries *)
adamc@204: 
adamc@233: con sql_query :: {{Type}} -> {Type} -> Type
adamc@233: con sql_query1 :: {{Type}} -> {{Type}} -> {Type} -> Type
adamc@234: con sql_exp :: {{Type}} -> {{Type}} -> {Type} -> Type -> Type
adamc@204: 
adamc@223: con sql_subset :: {{Type}} -> {{Type}} -> Type
adamc@223: val sql_subset : keep_drop :: {({Type} * {Type})}
adamc@354:                               -> sql_subset
adamc@621:                                      (map (fn fields :: ({Type} * {Type}) => fields.1 ++ fields.2) keep_drop)
adamc@621:                                      (map (fn fields :: ({Type} * {Type}) => fields.1) keep_drop)
adamc@354: val sql_subset_all : tables :: {{Type}} -> sql_subset tables tables
adamc@223: 
adamc@705: val sql_query1 : tables ::: {({Type} * {{Unit}})}
adamc@354:                  -> grouped ::: {{Type}}
adamc@354:                  -> selectedFields ::: {{Type}}
adamc@354:                  -> selectedExps ::: {Type}
adamc@705:                  -> {From : $(map (fn p :: ({Type} * {{Unit}}) => sql_table p.1 p.2) tables),
adamc@705:                      Where : sql_exp (map (fn p :: ({Type} * {{Unit}}) => p.1) tables) [] [] bool,
adamc@705:                      GroupBy : sql_subset (map (fn p :: ({Type} * {{Unit}}) => p.1) tables) grouped,
adamc@705:                      Having : sql_exp grouped (map (fn p :: ({Type} * {{Unit}}) => p.1) tables) [] bool,
adamc@354:                      SelectFields : sql_subset grouped selectedFields,
adamc@705:                      SelectExps : $(map (sql_exp grouped (map (fn p :: ({Type} * {{Unit}}) => p.1) tables) [])
adamc@705:                                             selectedExps) }
adamc@705:                  -> sql_query1 (map (fn p :: ({Type} * {{Unit}}) => p.1) tables) selectedFields selectedExps
adamc@229: 
adamc@229: type sql_relop 
adamc@229: val sql_union : sql_relop
adamc@229: val sql_intersect : sql_relop
adamc@229: val sql_except : sql_relop
adamc@260: val sql_relop : tables1 ::: {{Type}}
adamc@354:                 -> tables2 ::: {{Type}}
adamc@354:                 -> selectedFields ::: {{Type}}
adamc@354:                 -> selectedExps ::: {Type}
adamc@354:                 -> sql_relop
adamc@354:                 -> sql_query1 tables1 selectedFields selectedExps
adamc@354:                 -> sql_query1 tables2 selectedFields selectedExps
adamc@354:                 -> sql_query1 selectedFields selectedFields selectedExps
adamc@229: 
adamc@230: type sql_direction
adamc@230: val sql_asc : sql_direction
adamc@230: val sql_desc : sql_direction
adamc@230: 
adamc@234: con sql_order_by :: {{Type}} -> {Type} -> Type
adamc@234: val sql_order_by_Nil : tables ::: {{Type}} -> exps :: {Type} -> sql_order_by tables exps
adamc@234: val sql_order_by_Cons : tables ::: {{Type}} -> exps ::: {Type} -> t ::: Type
adamc@354:                         -> sql_exp tables [] exps t -> sql_direction
adamc@354:                         -> sql_order_by tables exps
adamc@354:                         -> sql_order_by tables exps
adamc@230: 
adamc@231: type sql_limit
adamc@231: val sql_no_limit : sql_limit
adamc@231: val sql_limit : int -> sql_limit
adamc@354:                        
adamc@232: type sql_offset
adamc@232: val sql_no_offset : sql_offset
adamc@232: val sql_offset : int -> sql_offset
adamc@232: 
adamc@229: val sql_query : tables ::: {{Type}}
adamc@354:                 -> selectedFields ::: {{Type}}
adamc@354:                 -> selectedExps ::: {Type}
adamc@354:                 -> {Rows : sql_query1 tables selectedFields selectedExps,
adamc@354:                     OrderBy : sql_order_by tables selectedExps,
adamc@354:                     Limit : sql_limit,
adamc@354:                     Offset : sql_offset}
adamc@354:                 -> sql_query selectedFields selectedExps
adamc@204: 
adamc@354: val sql_field : otherTabs ::: {{Type}} -> otherFields ::: {Type}
adamc@354:                 -> fieldType ::: Type -> agg ::: {{Type}}
adamc@354:                 -> exps ::: {Type}
adamc@354:                 -> tab :: Name -> field :: Name
adamc@354:                 -> sql_exp
adamc@354:                        ([tab = [field = fieldType] ++ otherFields] ++ otherTabs)
adamc@354:                        agg exps fieldType
adamc@234: 
adamc@354: val sql_exp : tabs ::: {{Type}} -> agg ::: {{Type}} -> t ::: Type -> rest ::: {Type}
adamc@354:               -> nm :: Name
adamc@354:               -> sql_exp tabs agg ([nm = t] ++ rest) t
adamc@209: 
adamc@676: class sql_injectable_prim
adamc@676: val sql_bool : sql_injectable_prim bool
adamc@676: val sql_int : sql_injectable_prim int
adamc@676: val sql_float : sql_injectable_prim float
adamc@676: val sql_string : sql_injectable_prim string
adamc@676: val sql_time : sql_injectable_prim time
adamc@683: val sql_channel : t ::: Type -> sql_injectable_prim (channel t)
adamc@683: val sql_client : sql_injectable_prim client
adamc@678: 
adamc@221: class sql_injectable
adamc@676: val sql_prim : t ::: Type -> sql_injectable_prim t -> sql_injectable t
adamc@676: val sql_option_prim : t ::: Type -> sql_injectable_prim t -> sql_injectable (option t)
adamc@676: 
adamc@354: val sql_inject : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354:                  -> t ::: Type
adamc@354:                  -> sql_injectable t -> t -> sql_exp tables agg exps t
adamc@209: 
adamc@470: val sql_is_null : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@470:                   -> t ::: Type
adamc@470:                   -> sql_exp tables agg exps (option t)
adamc@470:                   -> sql_exp tables agg exps bool
adamc@470: 
adamc@559: class sql_arith
adamc@559: val sql_int_arith : sql_arith int
adamc@559: val sql_float_arith : sql_arith float
adamc@559: 
adamc@220: con sql_unary :: Type -> Type -> Type
adamc@220: val sql_not : sql_unary bool bool
adamc@354: val sql_unary : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354:                 -> arg ::: Type -> res ::: Type
adamc@354:                 -> sql_unary arg res -> sql_exp tables agg exps arg
adamc@354:                 -> sql_exp tables agg exps res
adamc@220: 
adamc@559: val sql_neg : t ::: Type -> sql_arith t -> sql_unary t t
adamc@559: 
adamc@220: con sql_binary :: Type -> Type -> Type -> Type
adamc@220: val sql_and : sql_binary bool bool bool
adamc@220: val sql_or : sql_binary bool bool bool
adamc@234: val sql_binary : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354:                  -> arg1 ::: Type -> arg2 ::: Type -> res ::: Type
adamc@354:                  -> sql_binary arg1 arg2 res -> sql_exp tables agg exps arg1
adamc@354:                  -> sql_exp tables agg exps arg2
adamc@354:                  -> sql_exp tables agg exps res
adamc@220: 
adamc@559: val sql_plus : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559: val sql_minus : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559: val sql_times : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559: val sql_div : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559: val sql_mod : sql_binary int int int
adamc@559: 
adamc@559: val sql_eq : t ::: Type -> sql_binary t t bool
adamc@559: val sql_ne : t ::: Type -> sql_binary t t bool
adamc@559: val sql_lt : t ::: Type -> sql_binary t t bool
adamc@559: val sql_le : t ::: Type -> sql_binary t t bool
adamc@559: val sql_gt : t ::: Type -> sql_binary t t bool
adamc@559: val sql_ge : t ::: Type -> sql_binary t t bool
adamc@203: 
adamc@235: val sql_count : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@544:                 -> sql_exp tables agg exps int
adamc@235: 
adamc@236: con sql_aggregate :: Type -> Type
adamc@354: val sql_aggregate : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354:                     -> t ::: Type
adamc@354:                     -> sql_aggregate t -> sql_exp agg agg exps t
adamc@354:                     -> sql_exp tables agg exps t
adamc@236: 
adamc@236: class sql_summable
adamc@236: val sql_summable_int : sql_summable int
adamc@236: val sql_summable_float : sql_summable float
adamc@236: val sql_avg : t ::: Type -> sql_summable t -> sql_aggregate t
adamc@236: val sql_sum : t ::: Type -> sql_summable t -> sql_aggregate t
adamc@236: 
adamc@236: class sql_maxable
adamc@236: val sql_maxable_int : sql_maxable int
adamc@236: val sql_maxable_float : sql_maxable float
adamc@236: val sql_maxable_string : sql_maxable string
adamc@437: val sql_maxable_time : sql_maxable time
adamc@236: val sql_max : t ::: Type -> sql_maxable t -> sql_aggregate t
adamc@236: val sql_min : t ::: Type -> sql_maxable t -> sql_aggregate t
adamc@236: 
adamc@441: con sql_nfunc :: Type -> Type
adamc@441: val sql_nfunc : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@441:                 -> t ::: Type
adamc@441:                 -> sql_nfunc t -> sql_exp tables agg exps t
adamc@441: val sql_current_timestamp : sql_nfunc time
adamc@441: 
adamc@235: 
adamc@243: (*** Executing queries *)
adamc@243: 
adamc@354: val query : tables ::: {{Type}} -> exps ::: {Type}
adamc@629:             -> [tables ~ exps] =>
adamc@354:                   state ::: Type
adamc@354:                   -> sql_query tables exps
adamc@621:                   -> ($(exps ++ map (fn fields :: {Type} => $fields) tables)
adamc@354:                       -> state
adamc@354:                       -> transaction state)
adamc@354:                   -> state
adamc@354:                   -> transaction state
adamc@243: 
adamc@243: 
adamc@299: (*** Database mutators *)
adamc@299: 
adamc@299: type dml
adamc@299: val dml : dml -> transaction unit
adamc@299: 
adamc@705: val insert : fields ::: {Type} -> uniques ::: {{Unit}}
adamc@705:              -> sql_table fields uniques
adamc@621:              -> $(map (fn t :: Type => sql_exp [] [] [] t) fields)
adamc@354:              -> dml
adamc@299: 
adamc@705: val update : unchanged ::: {Type} -> uniques ::: {{Unit}} -> changed :: {Type} ->
adamc@629:              [changed ~ unchanged] =>
adamc@621:                 $(map (fn t :: Type => sql_exp [T = changed ++ unchanged] [] [] t) changed)
adamc@705:                 -> sql_table (changed ++ unchanged) uniques
adamc@354:                 -> sql_exp [T = changed ++ unchanged] [] [] bool
adamc@354:                 -> dml
adamc@299: 
adamc@705: val delete : fields ::: {Type} -> uniques ::: {{Unit}}
adamc@705:              -> sql_table fields uniques
adamc@354:              -> sql_exp [T = fields] [] [] bool
adamc@354:              -> dml
adamc@299: 
adamc@338: (*** Sequences *)
adamc@338: 
adamc@338: type sql_sequence
adamc@338: val nextval : sql_sequence -> transaction int
adamc@338: 
adamc@299: 
adamc@203: (** XML *)
adamc@203: 
adamc@139: con tag :: {Type} -> {Unit} -> {Unit} -> {Type} -> {Type} -> Type
adamc@91: 
adamc@91: 
adamc@139: con xml :: {Unit} -> {Type} -> {Type} -> Type
adamc@141: val cdata : ctx ::: {Unit} -> use ::: {Type} -> string -> xml ctx use []
adamc@354: val tag : attrsGiven ::: {Type} -> attrsAbsent ::: {Type}
adamc@354:           -> ctxOuter ::: {Unit} -> ctxInner ::: {Unit}
adamc@354:           -> useOuter ::: {Type} -> useInner ::: {Type}
adamc@354:           -> bindOuter ::: {Type} -> bindInner ::: {Type}
adamc@629:           -> [attrsGiven ~ attrsAbsent] =>
adamc@629:              [useOuter ~ useInner] =>
adamc@629:              [bindOuter ~ bindInner] =>
adamc@629:            $attrsGiven
adamc@629:            -> tag (attrsGiven ++ attrsAbsent)
adamc@629:                   ctxOuter ctxInner useOuter bindOuter
adamc@629:            -> xml ctxInner useInner bindInner
adamc@629:            -> xml ctxOuter (useOuter ++ useInner) (bindOuter ++ bindInner)
adamc@140: val join : ctx ::: {Unit} 
adamc@139:         -> use1 ::: {Type} -> bind1 ::: {Type} -> bind2 ::: {Type}
adamc@629:         -> [use1 ~ bind1] => [bind1 ~ bind2] =>
adamc@354:               xml ctx use1 bind1
adamc@354:               -> xml ctx (use1 ++ bind1) bind2
adamc@354:               -> xml ctx use1 (bind1 ++ bind2)
adamc@354: val useMore : ctx ::: {Unit} -> use1 ::: {Type} -> use2 ::: {Type}
adamc@354:               -> bind ::: {Type}
adamc@629:               -> [use1 ~ use2] =>
adamc@354:                     xml ctx use1 bind
adamc@354:                     -> xml ctx (use1 ++ use2) bind
adamc@91: 
adamc@110: con xhtml = xml [Html]
adamc@139: con page = xhtml [] []
adamc@325: con xbody = xml [Body] [] []
adamc@326: con xtr = xml [Body, Tr] [] []
adamc@361: con xform = xml [Body, Form] [] []
adamc@110: 
adamc@204: (*** HTML details *)
adamc@204: 
adamc@140: con html = [Html]
adamc@140: con head = [Head]
adamc@140: con body = [Body]
adamc@361: con form = [Body, Form]
adamc@332: con tabl = [Body, Table]
adamc@332: con tr = [Body, Tr]
adamc@93: 
adamc@691: val dyn : use ::: {Type} -> bind ::: {Type} -> unit
adamc@691:           -> tag [Signal = signal (xml body use bind)] body [] use bind
adamc@568: 
adamc@140: val head : unit -> tag [] html head [] []
adamc@140: val title : unit -> tag [] head [] [] []
adamc@110: 
adamc@668: val body : unit -> tag [Onload = transaction unit] html body [] []
adamc@354: con bodyTag = fn (attrs :: {Type}) =>
adamc@354:                  ctx ::: {Unit} ->
adamc@629:                  [[Body] ~ ctx] =>
adamc@354:                     unit -> tag attrs ([Body] ++ ctx) ([Body] ++ ctx) [] []
adamc@354: con bodyTagStandalone = fn (attrs :: {Type}) =>
adamc@354:                            ctx ::: {Unit}
adamc@629:                            -> [[Body] ~ ctx] =>
adamc@354:                                  unit -> tag attrs ([Body] ++ ctx) [] [] []
adamc@141: 
adamc@141: val br : bodyTagStandalone []
adamc@119: 
adamc@691: val span : bodyTag []
adamc@691: 
adamc@140: val p : bodyTag []
adamc@140: val b : bodyTag []
adamc@140: val i : bodyTag []
adamc@407: val tt : bodyTag []
adamc@140: val font : bodyTag [Size = int, Face = string]
adamc@140: 
adamc@140: val h1 : bodyTag []
adamc@443: val h2 : bodyTag []
adamc@443: val h3 : bodyTag []
adamc@443: val h4 : bodyTag []
adamc@469: 
adamc@140: val li : bodyTag []
adamc@469: val ol : bodyTag []
adamc@469: val ul : bodyTag []
adamc@140: 
adamc@410: val hr : bodyTag []
adamc@410: 
adamc@566: val a : bodyTag [Link = transaction page, Onclick = transaction unit]
adamc@140: 
adamc@361: val form : ctx ::: {Unit} -> bind ::: {Type}
adamc@629:             -> [[Body] ~ ctx] =>
adamc@354:                   xml form [] bind
adamc@354:                   -> xml ([Body] ++ ctx) [] []
adamc@361: con formTag = fn (ty :: Type) (inner :: {Unit}) (attrs :: {Type}) =>
adamc@354:                   ctx ::: {Unit}
adamc@629:                   -> [[Form] ~ ctx] =>
adamc@354:                         nm :: Name -> unit
adamc@361:                         -> tag attrs ([Form] ++ ctx) inner [] [nm = ty]
adamc@598: val textbox : formTag string [] [Value = string, Size = int, Source = source string]
adamc@444: val password : formTag string [] [Value = string, Size = int]
adamc@444: val textarea : formTag string [] [Rows = int, Cols = int]
adamc@153: 
adamc@361: val checkbox : formTag bool [] [Checked = bool]
adamc@190: 
adamc@153: con radio = [Body, Radio]
adamc@361: val radio : formTag string radio []
adamc@153: val radioOption : unit -> tag [Value = string] radio [] [] []
adamc@142: 
adamc@154: con select = [Select]
adamc@361: val select : formTag string select []
adamc@422: val option : unit -> tag [Value = string, Selected = bool] select [] [] []
adamc@154: 
adamc@568: val submit : ctx ::: {Unit} -> use ::: {Type}
adamc@629:              -> [[Form] ~ ctx] =>
adamc@354:                    unit
adamc@406:                    -> tag [Value = string, Action = $use -> transaction page]
adamc@361:                           ([Form] ++ ctx) ([Form] ++ ctx) use []
adamc@283: 
adamc@601: (*** AJAX-oriented widgets *)
adamc@601: 
adamc@601: con cformTag = fn (attrs :: {Type}) =>
adamc@601:                   ctx ::: {Unit}
adamc@629:                   -> [[Body] ~ ctx] =>
adamc@601:                         unit -> tag attrs ([Body] ++ ctx) [] [] []
adamc@601: 
adamc@601: val ctextbox : cformTag [Value = string, Size = int, Source = source string]
adamc@601: val button : cformTag [Value = string, Onclick = transaction unit]
adamc@601: 
adamc@325: (*** Tables *)
adamc@325: 
adamc@629: val tabl : other ::: {Unit} -> [other ~ [Body, Table]] =>
adamc@406:                                   unit -> tag [Border = int] ([Body] ++ other) ([Body, Table] ++ other) [] []
adamc@629: val tr : other ::: {Unit} -> [other ~ [Body, Table, Tr]] =>
adamc@406:                                 unit -> tag [] ([Body, Table] ++ other) ([Body, Tr] ++ other) [] []
adamc@629: val th : other ::: {Unit} -> [other ~ [Body, Tr]] =>
adamc@406:                                 unit -> tag [] ([Body, Tr] ++ other) ([Body] ++ other) [] []
adamc@629: val td : other ::: {Unit} -> [other ~ [Body, Tr]] =>
adamc@406:                                 unit -> tag [] ([Body, Tr] ++ other) ([Body] ++ other) [] []
adamc@325: 
adamc@283: 
adamc@283: (** Aborting *)
adamc@283: 
adamc@283: val error : t ::: Type -> xml [Body] [] [] -> t
adamc@668: 
adamc@668: