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doc-src/Tutorial/Datatype/triesels
author wenzelm
Wed, 25 Aug 1999 20:46:40 +0200
changeset 7356 1714c91b8729
parent 5851 15ce4c1c8313
permissions -rw-r--r--
expand_classes renamed to intro_classes;

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