doc-src/Tutorial/Recdef/last
author paulson
Mon, 24 Nov 2003 15:33:07 +0100
changeset 14266 08b34c902618
parent 6100 40d66bc3e83f
permissions -rw-r--r--
conversion of integers to use Ring_and_Field; new lemmas for Ring_and_Field

consts last :: 'a list => 'a
recdef last "measure (%xs. length xs)"
  "last [x]      = x"
  "last (x#y#zs) = last (y#zs)"