annotate tests/specialize.ur @ 2062:795b5b75453c
Add 'role' data attribute.
Note, that 'role' attribute is a part of reach ARIA API described here:
http://www.w3.org/TR/wai-aria/
Among 'role', it defines lots of aria-* attributes
| author |
Sergey Mironov <grrwlf@gmail.com> |
| date |
Mon, 07 Jul 2014 10:05:04 +0400 |
| parents |
60907c06b4c4 |
| children |
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| rev |
line source |
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adamc@315
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1 datatype list a = Nil | Cons of a * list a
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adamc@315
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2
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adamc@315
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3 fun isNil (t ::: Type) (ls : list t) : bool =
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4 case ls of
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5 Nil => True
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6 | Cons _ => False
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7
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adamc@316
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8 fun append (t ::: Type) (ls1 : list t) (ls2 : list t) : list t =
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9 case ls1 of
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10 Nil => ls2
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11 | Cons (x, ls1') => Cons (x, append ls1' ls2)
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12
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adamc@317
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13 fun pairAppend (t1 ::: Type) (t2 ::: Type) (ls1 : list (t1 * t2)) (ls2 : list (t1 * t2)) : list (t1 * t2) =
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14 case ls1 of
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15 Nil => ls2
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16 | Cons (x, ls1') => Cons (x, pairAppend ls1' ls2)
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17
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adamc@315
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18 fun delist (ls : list string) : xml body [] [] =
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19 case ls of
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20 Nil => <body>Nil</body>
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21 | Cons (h, t) => <body>{cdata h} :: {delist t}</body>
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22
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23 fun pairDelist (ls : list (string * int)) : xml body [] [] =
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24 case ls of
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25 Nil => <body>Nil</body>
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26 | Cons ((s, n), t) => <body>({cdata s}, {cdata (show _ n)}) :: {pairDelist t}</body>
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27
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adamc@315
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28 val ls = Cons ("X", Cons ("Y", Cons ("Z", Nil)))
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29 val ls' = Cons ("A", Cons ("B", Nil))
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30
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31 val pls = Cons (("X", 1), Cons (("Y", 2), Cons (("Z", 3), Nil)))
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32 val pls' = Cons (("A", 1), Cons (("B", 2), Nil))
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33
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adamc@315
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34 fun main () : transaction page = return <html><body>
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35 {if isNil ls then <body>It's Nil.</body> else <body>It's not Nil.</body>}
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36
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37 <p>{delist (append ls' ls)}</p>
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38
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39 <p>{pairDelist (pairAppend pls' pls)}</p>
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40 </body></html>
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