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UNIQUE constraints
author Adam Chlipala <adamc@hcoop.net>
date Tue, 07 Apr 2009 12:24:31 -0400
parents f963356b53fd
children e6706a1df013
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@694 108 val spawn : transaction unit -> transaction unit
adamc@695 109 val sleep : int -> transaction unit
adamc@566 110
adamc@566 111
adamc@678 112 (** Channels *)
adamc@678 113
adamc@678 114 con channel :: Type -> Type
adamc@678 115 val channel : t ::: Type -> transaction (channel t)
adamc@678 116 val send : t ::: Type -> channel t -> t -> transaction unit
adamc@678 117 val recv : t ::: Type -> channel t -> transaction t
adamc@678 118
adamc@682 119 type client
adamc@682 120 val self : transaction client
adamc@682 121
adamc@678 122
adamc@203 123 (** SQL *)
adamc@203 124
adamc@203 125 con sql_table :: {Type} -> Type
adamc@203 126
adamc@704 127 (*** Constraints *)
adamc@704 128
adamc@704 129 con sql_constraints :: {Unit} -> {Type} -> Type
adamc@704 130 con sql_constraint :: {Type} -> Type
adamc@704 131
adamc@704 132 val no_constraint : fs ::: {Type} -> sql_constraints [] fs
adamc@704 133 val one_constraint : fs ::: {Type} -> name :: Name -> sql_constraint fs -> sql_constraints [name] fs
adamc@704 134 val join_constraints : names1 ::: {Unit} -> names2 ::: {Unit} -> fs ::: {Type} -> [names1 ~ names2]
adamc@704 135 => sql_constraints names1 fs -> sql_constraints names2 fs
adamc@704 136 -> sql_constraints (names1 ++ names2) fs
adamc@704 137
adamc@704 138 val unique : rest ::: {Type} -> unique :: {Type} -> [unique ~ rest] => sql_constraint (unique ++ rest)
adamc@704 139
adamc@704 140
adamc@204 141 (*** Queries *)
adamc@204 142
adamc@233 143 con sql_query :: {{Type}} -> {Type} -> Type
adamc@233 144 con sql_query1 :: {{Type}} -> {{Type}} -> {Type} -> Type
adamc@234 145 con sql_exp :: {{Type}} -> {{Type}} -> {Type} -> Type -> Type
adamc@204 146
adamc@223 147 con sql_subset :: {{Type}} -> {{Type}} -> Type
adamc@223 148 val sql_subset : keep_drop :: {({Type} * {Type})}
adamc@354 149 -> sql_subset
adamc@621 150 (map (fn fields :: ({Type} * {Type}) => fields.1 ++ fields.2) keep_drop)
adamc@621 151 (map (fn fields :: ({Type} * {Type}) => fields.1) keep_drop)
adamc@354 152 val sql_subset_all : tables :: {{Type}} -> sql_subset tables tables
adamc@223 153
adamc@229 154 val sql_query1 : tables ::: {{Type}}
adamc@354 155 -> grouped ::: {{Type}}
adamc@354 156 -> selectedFields ::: {{Type}}
adamc@354 157 -> selectedExps ::: {Type}
adamc@658 158 -> {From : $(map sql_table tables),
adamc@354 159 Where : sql_exp tables [] [] bool,
adamc@354 160 GroupBy : sql_subset tables grouped,
adamc@354 161 Having : sql_exp grouped tables [] bool,
adamc@354 162 SelectFields : sql_subset grouped selectedFields,
adamc@658 163 SelectExps : $(map (sql_exp grouped tables []) selectedExps) }
adamc@354 164 -> sql_query1 tables selectedFields selectedExps
adamc@229 165
adamc@229 166 type sql_relop
adamc@229 167 val sql_union : sql_relop
adamc@229 168 val sql_intersect : sql_relop
adamc@229 169 val sql_except : sql_relop
adamc@260 170 val sql_relop : tables1 ::: {{Type}}
adamc@354 171 -> tables2 ::: {{Type}}
adamc@354 172 -> selectedFields ::: {{Type}}
adamc@354 173 -> selectedExps ::: {Type}
adamc@354 174 -> sql_relop
adamc@354 175 -> sql_query1 tables1 selectedFields selectedExps
adamc@354 176 -> sql_query1 tables2 selectedFields selectedExps
adamc@354 177 -> sql_query1 selectedFields selectedFields selectedExps
adamc@229 178
adamc@230 179 type sql_direction
adamc@230 180 val sql_asc : sql_direction
adamc@230 181 val sql_desc : sql_direction
adamc@230 182
adamc@234 183 con sql_order_by :: {{Type}} -> {Type} -> Type
adamc@234 184 val sql_order_by_Nil : tables ::: {{Type}} -> exps :: {Type} -> sql_order_by tables exps
adamc@234 185 val sql_order_by_Cons : tables ::: {{Type}} -> exps ::: {Type} -> t ::: Type
adamc@354 186 -> sql_exp tables [] exps t -> sql_direction
adamc@354 187 -> sql_order_by tables exps
adamc@354 188 -> sql_order_by tables exps
adamc@230 189
adamc@231 190 type sql_limit
adamc@231 191 val sql_no_limit : sql_limit
adamc@231 192 val sql_limit : int -> sql_limit
adamc@354 193
adamc@232 194 type sql_offset
adamc@232 195 val sql_no_offset : sql_offset
adamc@232 196 val sql_offset : int -> sql_offset
adamc@232 197
adamc@229 198 val sql_query : tables ::: {{Type}}
adamc@354 199 -> selectedFields ::: {{Type}}
adamc@354 200 -> selectedExps ::: {Type}
adamc@354 201 -> {Rows : sql_query1 tables selectedFields selectedExps,
adamc@354 202 OrderBy : sql_order_by tables selectedExps,
adamc@354 203 Limit : sql_limit,
adamc@354 204 Offset : sql_offset}
adamc@354 205 -> sql_query selectedFields selectedExps
adamc@204 206
adamc@354 207 val sql_field : otherTabs ::: {{Type}} -> otherFields ::: {Type}
adamc@354 208 -> fieldType ::: Type -> agg ::: {{Type}}
adamc@354 209 -> exps ::: {Type}
adamc@354 210 -> tab :: Name -> field :: Name
adamc@354 211 -> sql_exp
adamc@354 212 ([tab = [field = fieldType] ++ otherFields] ++ otherTabs)
adamc@354 213 agg exps fieldType
adamc@234 214
adamc@354 215 val sql_exp : tabs ::: {{Type}} -> agg ::: {{Type}} -> t ::: Type -> rest ::: {Type}
adamc@354 216 -> nm :: Name
adamc@354 217 -> sql_exp tabs agg ([nm = t] ++ rest) t
adamc@209 218
adamc@676 219 class sql_injectable_prim
adamc@676 220 val sql_bool : sql_injectable_prim bool
adamc@676 221 val sql_int : sql_injectable_prim int
adamc@676 222 val sql_float : sql_injectable_prim float
adamc@676 223 val sql_string : sql_injectable_prim string
adamc@676 224 val sql_time : sql_injectable_prim time
adamc@683 225 val sql_channel : t ::: Type -> sql_injectable_prim (channel t)
adamc@683 226 val sql_client : sql_injectable_prim client
adamc@678 227
adamc@221 228 class sql_injectable
adamc@676 229 val sql_prim : t ::: Type -> sql_injectable_prim t -> sql_injectable t
adamc@676 230 val sql_option_prim : t ::: Type -> sql_injectable_prim t -> sql_injectable (option t)
adamc@676 231
adamc@354 232 val sql_inject : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 233 -> t ::: Type
adamc@354 234 -> sql_injectable t -> t -> sql_exp tables agg exps t
adamc@209 235
adamc@470 236 val sql_is_null : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@470 237 -> t ::: Type
adamc@470 238 -> sql_exp tables agg exps (option t)
adamc@470 239 -> sql_exp tables agg exps bool
adamc@470 240
adamc@559 241 class sql_arith
adamc@559 242 val sql_int_arith : sql_arith int
adamc@559 243 val sql_float_arith : sql_arith float
adamc@559 244
adamc@220 245 con sql_unary :: Type -> Type -> Type
adamc@220 246 val sql_not : sql_unary bool bool
adamc@354 247 val sql_unary : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 248 -> arg ::: Type -> res ::: Type
adamc@354 249 -> sql_unary arg res -> sql_exp tables agg exps arg
adamc@354 250 -> sql_exp tables agg exps res
adamc@220 251
adamc@559 252 val sql_neg : t ::: Type -> sql_arith t -> sql_unary t t
adamc@559 253
adamc@220 254 con sql_binary :: Type -> Type -> Type -> Type
adamc@220 255 val sql_and : sql_binary bool bool bool
adamc@220 256 val sql_or : sql_binary bool bool bool
adamc@234 257 val sql_binary : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 258 -> arg1 ::: Type -> arg2 ::: Type -> res ::: Type
adamc@354 259 -> sql_binary arg1 arg2 res -> sql_exp tables agg exps arg1
adamc@354 260 -> sql_exp tables agg exps arg2
adamc@354 261 -> sql_exp tables agg exps res
adamc@220 262
adamc@559 263 val sql_plus : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 264 val sql_minus : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 265 val sql_times : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 266 val sql_div : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 267 val sql_mod : sql_binary int int int
adamc@559 268
adamc@559 269 val sql_eq : t ::: Type -> sql_binary t t bool
adamc@559 270 val sql_ne : t ::: Type -> sql_binary t t bool
adamc@559 271 val sql_lt : t ::: Type -> sql_binary t t bool
adamc@559 272 val sql_le : t ::: Type -> sql_binary t t bool
adamc@559 273 val sql_gt : t ::: Type -> sql_binary t t bool
adamc@559 274 val sql_ge : t ::: Type -> sql_binary t t bool
adamc@203 275
adamc@235 276 val sql_count : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@544 277 -> sql_exp tables agg exps int
adamc@235 278
adamc@236 279 con sql_aggregate :: Type -> Type
adamc@354 280 val sql_aggregate : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 281 -> t ::: Type
adamc@354 282 -> sql_aggregate t -> sql_exp agg agg exps t
adamc@354 283 -> sql_exp tables agg exps t
adamc@236 284
adamc@236 285 class sql_summable
adamc@236 286 val sql_summable_int : sql_summable int
adamc@236 287 val sql_summable_float : sql_summable float
adamc@236 288 val sql_avg : t ::: Type -> sql_summable t -> sql_aggregate t
adamc@236 289 val sql_sum : t ::: Type -> sql_summable t -> sql_aggregate t
adamc@236 290
adamc@236 291 class sql_maxable
adamc@236 292 val sql_maxable_int : sql_maxable int
adamc@236 293 val sql_maxable_float : sql_maxable float
adamc@236 294 val sql_maxable_string : sql_maxable string
adamc@437 295 val sql_maxable_time : sql_maxable time
adamc@236 296 val sql_max : t ::: Type -> sql_maxable t -> sql_aggregate t
adamc@236 297 val sql_min : t ::: Type -> sql_maxable t -> sql_aggregate t
adamc@236 298
adamc@441 299 con sql_nfunc :: Type -> Type
adamc@441 300 val sql_nfunc : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@441 301 -> t ::: Type
adamc@441 302 -> sql_nfunc t -> sql_exp tables agg exps t
adamc@441 303 val sql_current_timestamp : sql_nfunc time
adamc@441 304
adamc@235 305
adamc@243 306 (*** Executing queries *)
adamc@243 307
adamc@354 308 val query : tables ::: {{Type}} -> exps ::: {Type}
adamc@629 309 -> [tables ~ exps] =>
adamc@354 310 state ::: Type
adamc@354 311 -> sql_query tables exps
adamc@621 312 -> ($(exps ++ map (fn fields :: {Type} => $fields) tables)
adamc@354 313 -> state
adamc@354 314 -> transaction state)
adamc@354 315 -> state
adamc@354 316 -> transaction state
adamc@243 317
adamc@243 318
adamc@299 319 (*** Database mutators *)
adamc@299 320
adamc@299 321 type dml
adamc@299 322 val dml : dml -> transaction unit
adamc@299 323
adamc@299 324 val insert : fields ::: {Type}
adamc@354 325 -> sql_table fields
adamc@621 326 -> $(map (fn t :: Type => sql_exp [] [] [] t) fields)
adamc@354 327 -> dml
adamc@299 328
adamc@403 329 val update : unchanged ::: {Type} -> changed :: {Type} ->
adamc@629 330 [changed ~ unchanged] =>
adamc@621 331 $(map (fn t :: Type => sql_exp [T = changed ++ unchanged] [] [] t) changed)
adamc@354 332 -> sql_table (changed ++ unchanged)
adamc@354 333 -> sql_exp [T = changed ++ unchanged] [] [] bool
adamc@354 334 -> dml
adamc@299 335
adamc@299 336 val delete : fields ::: {Type}
adamc@354 337 -> sql_table fields
adamc@354 338 -> sql_exp [T = fields] [] [] bool
adamc@354 339 -> dml
adamc@299 340
adamc@338 341 (*** Sequences *)
adamc@338 342
adamc@338 343 type sql_sequence
adamc@338 344 val nextval : sql_sequence -> transaction int
adamc@338 345
adamc@299 346
adamc@203 347 (** XML *)
adamc@203 348
adamc@139 349 con tag :: {Type} -> {Unit} -> {Unit} -> {Type} -> {Type} -> Type
adamc@91 350
adamc@91 351
adamc@139 352 con xml :: {Unit} -> {Type} -> {Type} -> Type
adamc@141 353 val cdata : ctx ::: {Unit} -> use ::: {Type} -> string -> xml ctx use []
adamc@354 354 val tag : attrsGiven ::: {Type} -> attrsAbsent ::: {Type}
adamc@354 355 -> ctxOuter ::: {Unit} -> ctxInner ::: {Unit}
adamc@354 356 -> useOuter ::: {Type} -> useInner ::: {Type}
adamc@354 357 -> bindOuter ::: {Type} -> bindInner ::: {Type}
adamc@629 358 -> [attrsGiven ~ attrsAbsent] =>
adamc@629 359 [useOuter ~ useInner] =>
adamc@629 360 [bindOuter ~ bindInner] =>
adamc@629 361 $attrsGiven
adamc@629 362 -> tag (attrsGiven ++ attrsAbsent)
adamc@629 363 ctxOuter ctxInner useOuter bindOuter
adamc@629 364 -> xml ctxInner useInner bindInner
adamc@629 365 -> xml ctxOuter (useOuter ++ useInner) (bindOuter ++ bindInner)
adamc@140 366 val join : ctx ::: {Unit}
adamc@139 367 -> use1 ::: {Type} -> bind1 ::: {Type} -> bind2 ::: {Type}
adamc@629 368 -> [use1 ~ bind1] => [bind1 ~ bind2] =>
adamc@354 369 xml ctx use1 bind1
adamc@354 370 -> xml ctx (use1 ++ bind1) bind2
adamc@354 371 -> xml ctx use1 (bind1 ++ bind2)
adamc@354 372 val useMore : ctx ::: {Unit} -> use1 ::: {Type} -> use2 ::: {Type}
adamc@354 373 -> bind ::: {Type}
adamc@629 374 -> [use1 ~ use2] =>
adamc@354 375 xml ctx use1 bind
adamc@354 376 -> xml ctx (use1 ++ use2) bind
adamc@91 377
adamc@110 378 con xhtml = xml [Html]
adamc@139 379 con page = xhtml [] []
adamc@325 380 con xbody = xml [Body] [] []
adamc@326 381 con xtr = xml [Body, Tr] [] []
adamc@361 382 con xform = xml [Body, Form] [] []
adamc@110 383
adamc@204 384 (*** HTML details *)
adamc@204 385
adamc@140 386 con html = [Html]
adamc@140 387 con head = [Head]
adamc@140 388 con body = [Body]
adamc@361 389 con form = [Body, Form]
adamc@332 390 con tabl = [Body, Table]
adamc@332 391 con tr = [Body, Tr]
adamc@93 392
adamc@691 393 val dyn : use ::: {Type} -> bind ::: {Type} -> unit
adamc@691 394 -> tag [Signal = signal (xml body use bind)] body [] use bind
adamc@568 395
adamc@140 396 val head : unit -> tag [] html head [] []
adamc@140 397 val title : unit -> tag [] head [] [] []
adamc@110 398
adamc@668 399 val body : unit -> tag [Onload = transaction unit] html body [] []
adamc@354 400 con bodyTag = fn (attrs :: {Type}) =>
adamc@354 401 ctx ::: {Unit} ->
adamc@629 402 [[Body] ~ ctx] =>
adamc@354 403 unit -> tag attrs ([Body] ++ ctx) ([Body] ++ ctx) [] []
adamc@354 404 con bodyTagStandalone = fn (attrs :: {Type}) =>
adamc@354 405 ctx ::: {Unit}
adamc@629 406 -> [[Body] ~ ctx] =>
adamc@354 407 unit -> tag attrs ([Body] ++ ctx) [] [] []
adamc@141 408
adamc@141 409 val br : bodyTagStandalone []
adamc@119 410
adamc@691 411 val span : bodyTag []
adamc@691 412
adamc@140 413 val p : bodyTag []
adamc@140 414 val b : bodyTag []
adamc@140 415 val i : bodyTag []
adamc@407 416 val tt : bodyTag []
adamc@140 417 val font : bodyTag [Size = int, Face = string]
adamc@140 418
adamc@140 419 val h1 : bodyTag []
adamc@443 420 val h2 : bodyTag []
adamc@443 421 val h3 : bodyTag []
adamc@443 422 val h4 : bodyTag []
adamc@469 423
adamc@140 424 val li : bodyTag []
adamc@469 425 val ol : bodyTag []
adamc@469 426 val ul : bodyTag []
adamc@140 427
adamc@410 428 val hr : bodyTag []
adamc@410 429
adamc@566 430 val a : bodyTag [Link = transaction page, Onclick = transaction unit]
adamc@140 431
adamc@361 432 val form : ctx ::: {Unit} -> bind ::: {Type}
adamc@629 433 -> [[Body] ~ ctx] =>
adamc@354 434 xml form [] bind
adamc@354 435 -> xml ([Body] ++ ctx) [] []
adamc@361 436 con formTag = fn (ty :: Type) (inner :: {Unit}) (attrs :: {Type}) =>
adamc@354 437 ctx ::: {Unit}
adamc@629 438 -> [[Form] ~ ctx] =>
adamc@354 439 nm :: Name -> unit
adamc@361 440 -> tag attrs ([Form] ++ ctx) inner [] [nm = ty]
adamc@598 441 val textbox : formTag string [] [Value = string, Size = int, Source = source string]
adamc@444 442 val password : formTag string [] [Value = string, Size = int]
adamc@444 443 val textarea : formTag string [] [Rows = int, Cols = int]
adamc@153 444
adamc@361 445 val checkbox : formTag bool [] [Checked = bool]
adamc@190 446
adamc@153 447 con radio = [Body, Radio]
adamc@361 448 val radio : formTag string radio []
adamc@153 449 val radioOption : unit -> tag [Value = string] radio [] [] []
adamc@142 450
adamc@154 451 con select = [Select]
adamc@361 452 val select : formTag string select []
adamc@422 453 val option : unit -> tag [Value = string, Selected = bool] select [] [] []
adamc@154 454
adamc@568 455 val submit : ctx ::: {Unit} -> use ::: {Type}
adamc@629 456 -> [[Form] ~ ctx] =>
adamc@354 457 unit
adamc@406 458 -> tag [Value = string, Action = $use -> transaction page]
adamc@361 459 ([Form] ++ ctx) ([Form] ++ ctx) use []
adamc@283 460
adamc@601 461 (*** AJAX-oriented widgets *)
adamc@601 462
adamc@601 463 con cformTag = fn (attrs :: {Type}) =>
adamc@601 464 ctx ::: {Unit}
adamc@629 465 -> [[Body] ~ ctx] =>
adamc@601 466 unit -> tag attrs ([Body] ++ ctx) [] [] []
adamc@601 467
adamc@601 468 val ctextbox : cformTag [Value = string, Size = int, Source = source string]
adamc@601 469 val button : cformTag [Value = string, Onclick = transaction unit]
adamc@601 470
adamc@325 471 (*** Tables *)
adamc@325 472
adamc@629 473 val tabl : other ::: {Unit} -> [other ~ [Body, Table]] =>
adamc@406 474 unit -> tag [Border = int] ([Body] ++ other) ([Body, Table] ++ other) [] []
adamc@629 475 val tr : other ::: {Unit} -> [other ~ [Body, Table, Tr]] =>
adamc@406 476 unit -> tag [] ([Body, Table] ++ other) ([Body, Tr] ++ other) [] []
adamc@629 477 val th : other ::: {Unit} -> [other ~ [Body, Tr]] =>
adamc@406 478 unit -> tag [] ([Body, Tr] ++ other) ([Body] ++ other) [] []
adamc@629 479 val td : other ::: {Unit} -> [other ~ [Body, Tr]] =>
adamc@406 480 unit -> tag [] ([Body, Tr] ++ other) ([Body] ++ other) [] []
adamc@325 481
adamc@283 482
adamc@283 483 (** Aborting *)
adamc@283 484
adamc@283 485 val error : t ::: Type -> xml [Body] [] [] -> t
adamc@668 486
adamc@668 487