File: bug_11846.v

package info (click to toggle)
coq 9.1.0%2Bdfsg-3
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 35,964 kB
  • sloc: ml: 239,908; sh: 4,355; python: 2,985; ansic: 2,644; makefile: 874; lisp: 171; javascript: 63; xml: 24; sed: 2
file content (16 lines) | stat: -rw-r--r-- 333 bytes parent folder | download 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
 
Require Import TestSuite.funind.

Inductive tree : Type :=
| Node : unit -> tree.

Definition height (s : tree) : unit :=
match s with
| Node h => h
end.

Definition bal : forall l, let h := height l in tree := fun l =>
  let h := height l in
  Node h.

Set Warnings "+all".
Functional Scheme bal_ind := Induction for bal Sort Prop.