diff options
author | Stephane Glondu <steph@glondu.net> | 2010-07-21 09:46:51 +0200 |
---|---|---|
committer | Stephane Glondu <steph@glondu.net> | 2010-07-21 09:46:51 +0200 |
commit | 5b7eafd0f00a16d78f99a27f5c7d5a0de77dc7e6 (patch) | |
tree | 631ad791a7685edafeb1fb2e8faeedc8379318ae /plugins/subtac/test/measure.v | |
parent | da178a880e3ace820b41d38b191d3785b82991f5 (diff) |
Imported Upstream snapshot 8.3~beta0+13298
Diffstat (limited to 'plugins/subtac/test/measure.v')
-rw-r--r-- | plugins/subtac/test/measure.v | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/plugins/subtac/test/measure.v b/plugins/subtac/test/measure.v new file mode 100644 index 00000000..4f938f4f --- /dev/null +++ b/plugins/subtac/test/measure.v @@ -0,0 +1,20 @@ +Notation "( x & y )" := (@existS _ _ x y) : core_scope. +Unset Printing All. +Require Import Coq.Arith.Compare_dec. + +Require Import Coq.Program.Program. + +Fixpoint size (a : nat) : nat := + match a with + 0 => 1 + | S n => S (size n) + end. + +Program Fixpoint test_measure (a : nat) {measure size a} : nat := + match a with + | S (S n) => S (test_measure n) + | 0 | S 0 => a + end. + +Check test_measure. +Print test_measure.
\ No newline at end of file |