doc-src/Tutorial/Datatype/lookupempty.ML
author nipkow
Thu, 12 Nov 1998 16:45:40 +0100
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child 9255 2ceb11a2e190
permissions -rw-r--r--
New section on advanced datatypes.
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Goal "lookup (Trie None []) as = None";
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by(exhaust_tac "as" 1);
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by(Auto_tac);