doc-src/Tutorial/Datatype/triesels
author oheimb
Fri, 02 Feb 2001 00:31:39 +0100
changeset 11029 a221d8a9413c
parent 5851 15ce4c1c8313
permissions -rw-r--r--
little bugfixes; added induct_thm_tac

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"