doc-src/Codegen/Thy/examples/arbitrary.ML
author wenzelm
Sun, 10 Jul 2011 00:21:19 +0200
changeset 43722 9b5dadb0c28d
parent 30226 2f4684e2ea95
permissions -rw-r--r--
propagate header changes to prover process; simplified Document case classes; Document.State.assignments: indexed by Version_ID;
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
21190
08ec81dfc7fb (continued)
haftmann
parents:
diff changeset
     1
structure Codegen = 
08ec81dfc7fb (continued)
haftmann
parents:
diff changeset
     2
struct
08ec81dfc7fb (continued)
haftmann
parents:
diff changeset
     3
08ec81dfc7fb (continued)
haftmann
parents:
diff changeset
     4
val arbitrary_option : 'a option = NONE;
08ec81dfc7fb (continued)
haftmann
parents:
diff changeset
     5
21994
dfa5133dbe73 updated manual
haftmann
parents: 21993
diff changeset
     6
fun dummy_option [] = arbitrary_option
dfa5133dbe73 updated manual
haftmann
parents: 21993
diff changeset
     7
  | dummy_option (x :: xs) = SOME x;
21190
08ec81dfc7fb (continued)
haftmann
parents:
diff changeset
     8
08ec81dfc7fb (continued)
haftmann
parents:
diff changeset
     9
end; (*struct Codegen*)