doc-src/Tutorial/Recdef/last
author kleing
Mon, 15 Oct 2001 21:04:32 +0200
changeset 11787 85b3735a51e1
parent 6100 40d66bc3e83f
permissions -rw-r--r--
canonical 'cases'/'induct' rules for n-tuples (n=3..7) (really belongs to theory Product_Type, but doesn't work there yet)
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
6100
40d66bc3e83f *** empty log message ***
nipkow
parents:
diff changeset
     1
consts last :: 'a list => 'a
40d66bc3e83f *** empty log message ***
nipkow
parents:
diff changeset
     2
recdef last "measure (%xs. length xs)"
40d66bc3e83f *** empty log message ***
nipkow
parents:
diff changeset
     3
  "last [x]      = x"
40d66bc3e83f *** empty log message ***
nipkow
parents:
diff changeset
     4
  "last (x#y#zs) = last (y#zs)"