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doc-src/Tutorial/Datatype/triesels
author paulson
Mon, 23 Jul 2001 17:45:35 +0200
changeset 11445 01ee48a80800
parent 5851 15ce4c1c8313
permissions -rw-r--r--
PiSets moved to GroupTheory, while LocaleGroup deleted

consts value :: ('a,'v)trie => 'v option
       alist :: "('a,'v)trie => ('a * ('a,'v)trie)list"
primrec "value(Trie ov al) = ov"
primrec "alist(Trie ov al) = al"
isabelle