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Preliminary work supporting channels in databases
author Adam Chlipala <adamc@hcoop.net>
date Thu, 26 Mar 2009 16:22:34 -0400
parents e0c186464612
children 5bbb542243e8
rev   line source
adamc@56 1 type int
adamc@56 2 type float
adamc@56 3 type string
adamc@436 4 type time
adamc@91 5
adamc@119 6 type unit = {}
adamc@119 7
adamc@186 8 datatype bool = False | True
adamc@186 9
adamc@288 10 datatype option t = None | Some of t
adamc@284 11
adamc@91 12
adamc@256 13 (** Basic type classes *)
adamc@256 14
adamc@256 15 class eq
adamc@256 16 val eq : t ::: Type -> eq t -> t -> t -> bool
adamc@257 17 val ne : t ::: Type -> eq t -> t -> t -> bool
adamc@256 18 val eq_int : eq int
adamc@394 19 val eq_float : eq float
adamc@256 20 val eq_string : eq string
adamc@256 21 val eq_bool : eq bool
adamc@437 22 val eq_time : eq time
adamc@422 23 val mkEq : t ::: Type -> (t -> t -> bool) -> eq t
adamc@256 24
adamc@389 25 class num
adamc@417 26 val zero : t ::: Type -> num t -> t
adamc@389 27 val neg : t ::: Type -> num t -> t -> t
adamc@389 28 val plus : t ::: Type -> num t -> t -> t -> t
adamc@389 29 val minus : t ::: Type -> num t -> t -> t -> t
adamc@389 30 val times : t ::: Type -> num t -> t -> t -> t
adamc@389 31 val div : t ::: Type -> num t -> t -> t -> t
adamc@389 32 val mod : t ::: Type -> num t -> t -> t -> t
adamc@389 33 val num_int : num int
adamc@390 34 val num_float : num float
adamc@389 35
adamc@391 36 class ord
adamc@391 37 val lt : t ::: Type -> ord t -> t -> t -> bool
adamc@391 38 val le : t ::: Type -> ord t -> t -> t -> bool
adamc@391 39 val gt : t ::: Type -> ord t -> t -> t -> bool
adamc@391 40 val ge : t ::: Type -> ord t -> t -> t -> bool
adamc@391 41 val ord_int : ord int
adamc@394 42 val ord_float : ord float
adamc@394 43 val ord_string : ord string
adamc@394 44 val ord_bool : ord bool
adamc@437 45 val ord_time : ord time
adamc@391 46
adamc@256 47
adamc@283 48 (** String operations *)
adamc@283 49
adamc@283 50 val strcat : string -> string -> string
adamc@283 51
adamc@286 52 class show
adamc@286 53 val show : t ::: Type -> show t -> t -> string
adamc@286 54 val show_int : show int
adamc@286 55 val show_float : show float
adamc@286 56 val show_string : show string
adamc@286 57 val show_bool : show bool
adamc@436 58 val show_time : show time
adamc@452 59 val mkShow : t ::: Type -> (t -> string) -> show t
adamc@286 60
adamc@290 61 class read
adamc@290 62 val read : t ::: Type -> read t -> string -> option t
adamc@292 63 val readError : t ::: Type -> read t -> string -> t
adamc@292 64 (* [readError] calls [error] if the input is malformed. *)
adamc@290 65 val read_int : read int
adamc@290 66 val read_float : read float
adamc@290 67 val read_string : read string
adamc@290 68 val read_bool : read bool
adamc@436 69 val read_time : read time
adamc@288 70
adamc@283 71
adamc@564 72 (** * Monads *)
adamc@564 73
adamc@564 74 class monad :: Type -> Type
adamc@564 75 val return : m ::: (Type -> Type) -> t ::: Type
adamc@564 76 -> monad m
adamc@564 77 -> t -> m t
adamc@564 78 val bind : m ::: (Type -> Type) -> t1 ::: Type -> t2 ::: Type
adamc@564 79 -> monad m
adamc@564 80 -> m t1 -> (t1 -> m t2)
adamc@564 81 -> m t2
adamc@564 82
adamc@456 83 con transaction :: Type -> Type
adamc@564 84 val transaction_monad : monad transaction
adamc@456 85
adamc@565 86 con source :: Type -> Type
adamc@565 87 val source : t ::: Type -> t -> transaction (source t)
adamc@575 88 val set : t ::: Type -> source t -> t -> transaction unit
adamc@601 89 val get : t ::: Type -> source t -> transaction t
adamc@565 90
adamc@565 91 con signal :: Type -> Type
adamc@565 92 val signal_monad : monad signal
adamc@565 93 val signal : t ::: Type -> source t -> signal t
adamc@456 94
adamc@456 95
adamc@456 96 (** HTTP operations *)
adamc@456 97
adamc@456 98 val requestHeader : string -> transaction (option string)
adamc@456 99
adamc@459 100 con http_cookie :: Type -> Type
adamc@459 101 val getCookie : t ::: Type -> http_cookie t -> transaction (option t)
adamc@459 102 val setCookie : t ::: Type -> http_cookie t -> t -> transaction unit
adamc@459 103
adamc@456 104
adamc@566 105 (** JavaScript-y gadgets *)
adamc@566 106
adamc@566 107 val alert : string -> transaction unit
adamc@566 108
adamc@566 109
adamc@678 110 (** Channels *)
adamc@678 111
adamc@678 112 con channel :: Type -> Type
adamc@678 113 val channel : t ::: Type -> transaction (channel t)
adamc@678 114 val subscribe : t ::: Type -> channel t -> transaction unit
adamc@678 115 val send : t ::: Type -> channel t -> t -> transaction unit
adamc@678 116 val recv : t ::: Type -> channel t -> transaction t
adamc@678 117
adamc@678 118
adamc@203 119 (** SQL *)
adamc@203 120
adamc@203 121 con sql_table :: {Type} -> Type
adamc@203 122
adamc@204 123 (*** Queries *)
adamc@204 124
adamc@233 125 con sql_query :: {{Type}} -> {Type} -> Type
adamc@233 126 con sql_query1 :: {{Type}} -> {{Type}} -> {Type} -> Type
adamc@234 127 con sql_exp :: {{Type}} -> {{Type}} -> {Type} -> Type -> Type
adamc@204 128
adamc@223 129 con sql_subset :: {{Type}} -> {{Type}} -> Type
adamc@223 130 val sql_subset : keep_drop :: {({Type} * {Type})}
adamc@354 131 -> sql_subset
adamc@621 132 (map (fn fields :: ({Type} * {Type}) => fields.1 ++ fields.2) keep_drop)
adamc@621 133 (map (fn fields :: ({Type} * {Type}) => fields.1) keep_drop)
adamc@354 134 val sql_subset_all : tables :: {{Type}} -> sql_subset tables tables
adamc@223 135
adamc@229 136 val sql_query1 : tables ::: {{Type}}
adamc@354 137 -> grouped ::: {{Type}}
adamc@354 138 -> selectedFields ::: {{Type}}
adamc@354 139 -> selectedExps ::: {Type}
adamc@658 140 -> {From : $(map sql_table tables),
adamc@354 141 Where : sql_exp tables [] [] bool,
adamc@354 142 GroupBy : sql_subset tables grouped,
adamc@354 143 Having : sql_exp grouped tables [] bool,
adamc@354 144 SelectFields : sql_subset grouped selectedFields,
adamc@658 145 SelectExps : $(map (sql_exp grouped tables []) selectedExps) }
adamc@354 146 -> sql_query1 tables selectedFields selectedExps
adamc@229 147
adamc@229 148 type sql_relop
adamc@229 149 val sql_union : sql_relop
adamc@229 150 val sql_intersect : sql_relop
adamc@229 151 val sql_except : sql_relop
adamc@260 152 val sql_relop : tables1 ::: {{Type}}
adamc@354 153 -> tables2 ::: {{Type}}
adamc@354 154 -> selectedFields ::: {{Type}}
adamc@354 155 -> selectedExps ::: {Type}
adamc@354 156 -> sql_relop
adamc@354 157 -> sql_query1 tables1 selectedFields selectedExps
adamc@354 158 -> sql_query1 tables2 selectedFields selectedExps
adamc@354 159 -> sql_query1 selectedFields selectedFields selectedExps
adamc@229 160
adamc@230 161 type sql_direction
adamc@230 162 val sql_asc : sql_direction
adamc@230 163 val sql_desc : sql_direction
adamc@230 164
adamc@234 165 con sql_order_by :: {{Type}} -> {Type} -> Type
adamc@234 166 val sql_order_by_Nil : tables ::: {{Type}} -> exps :: {Type} -> sql_order_by tables exps
adamc@234 167 val sql_order_by_Cons : tables ::: {{Type}} -> exps ::: {Type} -> t ::: Type
adamc@354 168 -> sql_exp tables [] exps t -> sql_direction
adamc@354 169 -> sql_order_by tables exps
adamc@354 170 -> sql_order_by tables exps
adamc@230 171
adamc@231 172 type sql_limit
adamc@231 173 val sql_no_limit : sql_limit
adamc@231 174 val sql_limit : int -> sql_limit
adamc@354 175
adamc@232 176 type sql_offset
adamc@232 177 val sql_no_offset : sql_offset
adamc@232 178 val sql_offset : int -> sql_offset
adamc@232 179
adamc@229 180 val sql_query : tables ::: {{Type}}
adamc@354 181 -> selectedFields ::: {{Type}}
adamc@354 182 -> selectedExps ::: {Type}
adamc@354 183 -> {Rows : sql_query1 tables selectedFields selectedExps,
adamc@354 184 OrderBy : sql_order_by tables selectedExps,
adamc@354 185 Limit : sql_limit,
adamc@354 186 Offset : sql_offset}
adamc@354 187 -> sql_query selectedFields selectedExps
adamc@204 188
adamc@354 189 val sql_field : otherTabs ::: {{Type}} -> otherFields ::: {Type}
adamc@354 190 -> fieldType ::: Type -> agg ::: {{Type}}
adamc@354 191 -> exps ::: {Type}
adamc@354 192 -> tab :: Name -> field :: Name
adamc@354 193 -> sql_exp
adamc@354 194 ([tab = [field = fieldType] ++ otherFields] ++ otherTabs)
adamc@354 195 agg exps fieldType
adamc@234 196
adamc@354 197 val sql_exp : tabs ::: {{Type}} -> agg ::: {{Type}} -> t ::: Type -> rest ::: {Type}
adamc@354 198 -> nm :: Name
adamc@354 199 -> sql_exp tabs agg ([nm = t] ++ rest) t
adamc@209 200
adamc@676 201 class sql_injectable_prim
adamc@676 202 val sql_bool : sql_injectable_prim bool
adamc@676 203 val sql_int : sql_injectable_prim int
adamc@676 204 val sql_float : sql_injectable_prim float
adamc@676 205 val sql_string : sql_injectable_prim string
adamc@676 206 val sql_time : sql_injectable_prim time
adamc@676 207
adamc@678 208 class sql_injectable_nullable
adamc@678 209 val sql_channel : t ::: Type -> sql_injectable_nullable (channel t)
adamc@678 210
adamc@221 211 class sql_injectable
adamc@676 212 val sql_prim : t ::: Type -> sql_injectable_prim t -> sql_injectable t
adamc@676 213 val sql_option_prim : t ::: Type -> sql_injectable_prim t -> sql_injectable (option t)
adamc@678 214 val sql_nullable : t ::: Type -> sql_injectable_nullable t -> sql_injectable (option t)
adamc@676 215
adamc@354 216 val sql_inject : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 217 -> t ::: Type
adamc@354 218 -> sql_injectable t -> t -> sql_exp tables agg exps t
adamc@209 219
adamc@470 220 val sql_is_null : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@470 221 -> t ::: Type
adamc@470 222 -> sql_exp tables agg exps (option t)
adamc@470 223 -> sql_exp tables agg exps bool
adamc@470 224
adamc@559 225 class sql_arith
adamc@559 226 val sql_int_arith : sql_arith int
adamc@559 227 val sql_float_arith : sql_arith float
adamc@559 228
adamc@220 229 con sql_unary :: Type -> Type -> Type
adamc@220 230 val sql_not : sql_unary bool bool
adamc@354 231 val sql_unary : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 232 -> arg ::: Type -> res ::: Type
adamc@354 233 -> sql_unary arg res -> sql_exp tables agg exps arg
adamc@354 234 -> sql_exp tables agg exps res
adamc@220 235
adamc@559 236 val sql_neg : t ::: Type -> sql_arith t -> sql_unary t t
adamc@559 237
adamc@220 238 con sql_binary :: Type -> Type -> Type -> Type
adamc@220 239 val sql_and : sql_binary bool bool bool
adamc@220 240 val sql_or : sql_binary bool bool bool
adamc@234 241 val sql_binary : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 242 -> arg1 ::: Type -> arg2 ::: Type -> res ::: Type
adamc@354 243 -> sql_binary arg1 arg2 res -> sql_exp tables agg exps arg1
adamc@354 244 -> sql_exp tables agg exps arg2
adamc@354 245 -> sql_exp tables agg exps res
adamc@220 246
adamc@559 247 val sql_plus : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 248 val sql_minus : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 249 val sql_times : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 250 val sql_div : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 251 val sql_mod : sql_binary int int int
adamc@559 252
adamc@559 253 val sql_eq : t ::: Type -> sql_binary t t bool
adamc@559 254 val sql_ne : t ::: Type -> sql_binary t t bool
adamc@559 255 val sql_lt : t ::: Type -> sql_binary t t bool
adamc@559 256 val sql_le : t ::: Type -> sql_binary t t bool
adamc@559 257 val sql_gt : t ::: Type -> sql_binary t t bool
adamc@559 258 val sql_ge : t ::: Type -> sql_binary t t bool
adamc@203 259
adamc@235 260 val sql_count : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@544 261 -> sql_exp tables agg exps int
adamc@235 262
adamc@236 263 con sql_aggregate :: Type -> Type
adamc@354 264 val sql_aggregate : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 265 -> t ::: Type
adamc@354 266 -> sql_aggregate t -> sql_exp agg agg exps t
adamc@354 267 -> sql_exp tables agg exps t
adamc@236 268
adamc@236 269 class sql_summable
adamc@236 270 val sql_summable_int : sql_summable int
adamc@236 271 val sql_summable_float : sql_summable float
adamc@236 272 val sql_avg : t ::: Type -> sql_summable t -> sql_aggregate t
adamc@236 273 val sql_sum : t ::: Type -> sql_summable t -> sql_aggregate t
adamc@236 274
adamc@236 275 class sql_maxable
adamc@236 276 val sql_maxable_int : sql_maxable int
adamc@236 277 val sql_maxable_float : sql_maxable float
adamc@236 278 val sql_maxable_string : sql_maxable string
adamc@437 279 val sql_maxable_time : sql_maxable time
adamc@236 280 val sql_max : t ::: Type -> sql_maxable t -> sql_aggregate t
adamc@236 281 val sql_min : t ::: Type -> sql_maxable t -> sql_aggregate t
adamc@236 282
adamc@441 283 con sql_nfunc :: Type -> Type
adamc@441 284 val sql_nfunc : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@441 285 -> t ::: Type
adamc@441 286 -> sql_nfunc t -> sql_exp tables agg exps t
adamc@441 287 val sql_current_timestamp : sql_nfunc time
adamc@441 288
adamc@235 289
adamc@243 290 (*** Executing queries *)
adamc@243 291
adamc@354 292 val query : tables ::: {{Type}} -> exps ::: {Type}
adamc@629 293 -> [tables ~ exps] =>
adamc@354 294 state ::: Type
adamc@354 295 -> sql_query tables exps
adamc@621 296 -> ($(exps ++ map (fn fields :: {Type} => $fields) tables)
adamc@354 297 -> state
adamc@354 298 -> transaction state)
adamc@354 299 -> state
adamc@354 300 -> transaction state
adamc@243 301
adamc@243 302
adamc@299 303 (*** Database mutators *)
adamc@299 304
adamc@299 305 type dml
adamc@299 306 val dml : dml -> transaction unit
adamc@299 307
adamc@299 308 val insert : fields ::: {Type}
adamc@354 309 -> sql_table fields
adamc@621 310 -> $(map (fn t :: Type => sql_exp [] [] [] t) fields)
adamc@354 311 -> dml
adamc@299 312
adamc@403 313 val update : unchanged ::: {Type} -> changed :: {Type} ->
adamc@629 314 [changed ~ unchanged] =>
adamc@621 315 $(map (fn t :: Type => sql_exp [T = changed ++ unchanged] [] [] t) changed)
adamc@354 316 -> sql_table (changed ++ unchanged)
adamc@354 317 -> sql_exp [T = changed ++ unchanged] [] [] bool
adamc@354 318 -> dml
adamc@299 319
adamc@299 320 val delete : fields ::: {Type}
adamc@354 321 -> sql_table fields
adamc@354 322 -> sql_exp [T = fields] [] [] bool
adamc@354 323 -> dml
adamc@299 324
adamc@338 325 (*** Sequences *)
adamc@338 326
adamc@338 327 type sql_sequence
adamc@338 328 val nextval : sql_sequence -> transaction int
adamc@338 329
adamc@299 330
adamc@203 331 (** XML *)
adamc@203 332
adamc@139 333 con tag :: {Type} -> {Unit} -> {Unit} -> {Type} -> {Type} -> Type
adamc@91 334
adamc@91 335
adamc@139 336 con xml :: {Unit} -> {Type} -> {Type} -> Type
adamc@141 337 val cdata : ctx ::: {Unit} -> use ::: {Type} -> string -> xml ctx use []
adamc@354 338 val tag : attrsGiven ::: {Type} -> attrsAbsent ::: {Type}
adamc@354 339 -> ctxOuter ::: {Unit} -> ctxInner ::: {Unit}
adamc@354 340 -> useOuter ::: {Type} -> useInner ::: {Type}
adamc@354 341 -> bindOuter ::: {Type} -> bindInner ::: {Type}
adamc@629 342 -> [attrsGiven ~ attrsAbsent] =>
adamc@629 343 [useOuter ~ useInner] =>
adamc@629 344 [bindOuter ~ bindInner] =>
adamc@629 345 $attrsGiven
adamc@629 346 -> tag (attrsGiven ++ attrsAbsent)
adamc@629 347 ctxOuter ctxInner useOuter bindOuter
adamc@629 348 -> xml ctxInner useInner bindInner
adamc@629 349 -> xml ctxOuter (useOuter ++ useInner) (bindOuter ++ bindInner)
adamc@140 350 val join : ctx ::: {Unit}
adamc@139 351 -> use1 ::: {Type} -> bind1 ::: {Type} -> bind2 ::: {Type}
adamc@629 352 -> [use1 ~ bind1] => [bind1 ~ bind2] =>
adamc@354 353 xml ctx use1 bind1
adamc@354 354 -> xml ctx (use1 ++ bind1) bind2
adamc@354 355 -> xml ctx use1 (bind1 ++ bind2)
adamc@354 356 val useMore : ctx ::: {Unit} -> use1 ::: {Type} -> use2 ::: {Type}
adamc@354 357 -> bind ::: {Type}
adamc@629 358 -> [use1 ~ use2] =>
adamc@354 359 xml ctx use1 bind
adamc@354 360 -> xml ctx (use1 ++ use2) bind
adamc@91 361
adamc@110 362 con xhtml = xml [Html]
adamc@139 363 con page = xhtml [] []
adamc@325 364 con xbody = xml [Body] [] []
adamc@326 365 con xtr = xml [Body, Tr] [] []
adamc@361 366 con xform = xml [Body, Form] [] []
adamc@110 367
adamc@204 368 (*** HTML details *)
adamc@204 369
adamc@140 370 con html = [Html]
adamc@140 371 con head = [Head]
adamc@140 372 con body = [Body]
adamc@361 373 con form = [Body, Form]
adamc@332 374 con tabl = [Body, Table]
adamc@332 375 con tr = [Body, Tr]
adamc@93 376
adamc@568 377 val dyn : ctx ::: {Unit} -> use ::: {Type} -> bind ::: {Type} -> unit
adamc@568 378 -> tag [Signal = signal (xml ctx use bind)] ctx [] use bind
adamc@568 379
adamc@140 380 val head : unit -> tag [] html head [] []
adamc@140 381 val title : unit -> tag [] head [] [] []
adamc@110 382
adamc@668 383 val body : unit -> tag [Onload = transaction unit] html body [] []
adamc@354 384 con bodyTag = fn (attrs :: {Type}) =>
adamc@354 385 ctx ::: {Unit} ->
adamc@629 386 [[Body] ~ ctx] =>
adamc@354 387 unit -> tag attrs ([Body] ++ ctx) ([Body] ++ ctx) [] []
adamc@354 388 con bodyTagStandalone = fn (attrs :: {Type}) =>
adamc@354 389 ctx ::: {Unit}
adamc@629 390 -> [[Body] ~ ctx] =>
adamc@354 391 unit -> tag attrs ([Body] ++ ctx) [] [] []
adamc@141 392
adamc@141 393 val br : bodyTagStandalone []
adamc@119 394
adamc@140 395 val p : bodyTag []
adamc@140 396 val b : bodyTag []
adamc@140 397 val i : bodyTag []
adamc@407 398 val tt : bodyTag []
adamc@140 399 val font : bodyTag [Size = int, Face = string]
adamc@140 400
adamc@140 401 val h1 : bodyTag []
adamc@443 402 val h2 : bodyTag []
adamc@443 403 val h3 : bodyTag []
adamc@443 404 val h4 : bodyTag []
adamc@469 405
adamc@140 406 val li : bodyTag []
adamc@469 407 val ol : bodyTag []
adamc@469 408 val ul : bodyTag []
adamc@140 409
adamc@410 410 val hr : bodyTag []
adamc@410 411
adamc@566 412 val a : bodyTag [Link = transaction page, Onclick = transaction unit]
adamc@140 413
adamc@361 414 val form : ctx ::: {Unit} -> bind ::: {Type}
adamc@629 415 -> [[Body] ~ ctx] =>
adamc@354 416 xml form [] bind
adamc@354 417 -> xml ([Body] ++ ctx) [] []
adamc@361 418 con formTag = fn (ty :: Type) (inner :: {Unit}) (attrs :: {Type}) =>
adamc@354 419 ctx ::: {Unit}
adamc@629 420 -> [[Form] ~ ctx] =>
adamc@354 421 nm :: Name -> unit
adamc@361 422 -> tag attrs ([Form] ++ ctx) inner [] [nm = ty]
adamc@598 423 val textbox : formTag string [] [Value = string, Size = int, Source = source string]
adamc@444 424 val password : formTag string [] [Value = string, Size = int]
adamc@444 425 val textarea : formTag string [] [Rows = int, Cols = int]
adamc@153 426
adamc@361 427 val checkbox : formTag bool [] [Checked = bool]
adamc@190 428
adamc@153 429 con radio = [Body, Radio]
adamc@361 430 val radio : formTag string radio []
adamc@153 431 val radioOption : unit -> tag [Value = string] radio [] [] []
adamc@142 432
adamc@154 433 con select = [Select]
adamc@361 434 val select : formTag string select []
adamc@422 435 val option : unit -> tag [Value = string, Selected = bool] select [] [] []
adamc@154 436
adamc@568 437 val submit : ctx ::: {Unit} -> use ::: {Type}
adamc@629 438 -> [[Form] ~ ctx] =>
adamc@354 439 unit
adamc@406 440 -> tag [Value = string, Action = $use -> transaction page]
adamc@361 441 ([Form] ++ ctx) ([Form] ++ ctx) use []
adamc@283 442
adamc@601 443 (*** AJAX-oriented widgets *)
adamc@601 444
adamc@601 445 con cformTag = fn (attrs :: {Type}) =>
adamc@601 446 ctx ::: {Unit}
adamc@629 447 -> [[Body] ~ ctx] =>
adamc@601 448 unit -> tag attrs ([Body] ++ ctx) [] [] []
adamc@601 449
adamc@601 450 val ctextbox : cformTag [Value = string, Size = int, Source = source string]
adamc@601 451 val button : cformTag [Value = string, Onclick = transaction unit]
adamc@601 452
adamc@325 453 (*** Tables *)
adamc@325 454
adamc@629 455 val tabl : other ::: {Unit} -> [other ~ [Body, Table]] =>
adamc@406 456 unit -> tag [Border = int] ([Body] ++ other) ([Body, Table] ++ other) [] []
adamc@629 457 val tr : other ::: {Unit} -> [other ~ [Body, Table, Tr]] =>
adamc@406 458 unit -> tag [] ([Body, Table] ++ other) ([Body, Tr] ++ other) [] []
adamc@629 459 val th : other ::: {Unit} -> [other ~ [Body, Tr]] =>
adamc@406 460 unit -> tag [] ([Body, Tr] ++ other) ([Body] ++ other) [] []
adamc@629 461 val td : other ::: {Unit} -> [other ~ [Body, Tr]] =>
adamc@406 462 unit -> tag [] ([Body, Tr] ++ other) ([Body] ++ other) [] []
adamc@325 463
adamc@283 464
adamc@283 465 (** Aborting *)
adamc@283 466
adamc@283 467 val error : t ::: Type -> xml [Body] [] [] -> t
adamc@668 468
adamc@668 469