doc-src/Tutorial/Datatype/triesels
author wenzelm
Mon, 28 Jan 2002 18:51:48 +0100
changeset 12858 6214f03d6d27
parent 5851 15ce4c1c8313
permissions -rw-r--r--
GPLed;
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consts value :: ('a,'v)trie => 'v option
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       alist :: "('a,'v)trie => ('a * ('a,'v)trie)list"
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primrec "value(Trie ov al) = ov"
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primrec "alist(Trie ov al) = al"