Mercurial Mercurial > repos > isabelle / annotate
summary | shortlog | changelog | graph | tags | bookmarks | branches | files | changeset | file | latest | revisions | annotate | diff | comparison | raw | help
Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
doc-src/Tutorial/Recdef/last
author berghofe
Fri, 16 Jul 1999 12:14:04 +0200
changeset 7015 85be09eb136c
parent 6100 40d66bc3e83f
permissions -rw-r--r--
- Datatype package now also supports arbitrarily branching datatypes (using function types). - Added new simplification procedure for proving distinctness of constructors. - dtK is now a reference.
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)"
isabelle