Mercurial > urweb
view demo/list.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> |
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date | Mon, 07 Jul 2014 10:05:04 +0400 |
parents | 669ac5e9a69e |
children |
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datatype list t = Nil | Cons of t * list t fun length [t] (ls : list t) = let fun length' (ls : list t) (acc : int) = case ls of Nil => acc | Cons (_, ls') => length' ls' (acc + 1) in length' ls 0 end fun rev [t] (ls : list t) = let fun rev' (ls : list t) (acc : list t) = case ls of Nil => acc | Cons (x, ls') => rev' ls' (Cons (x, acc)) in rev' ls Nil end