diff options
Diffstat (limited to 'library/decl_kinds.ml')
| -rw-r--r-- | library/decl_kinds.ml | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/library/decl_kinds.ml b/library/decl_kinds.ml index 8f2525b8..d6dfbb6b 100644 --- a/library/decl_kinds.ml +++ b/library/decl_kinds.ml @@ -6,7 +6,7 @@ (* * GNU Lesser General Public License Version 2.1 *) (************************************************************************) -(* $Id: decl_kinds.ml 11024 2008-05-30 12:41:39Z msozeau $ *) +(* $Id: decl_kinds.ml 11809 2009-01-20 11:39:55Z aspiwack $ *) open Util open Libnames @@ -112,3 +112,18 @@ let strength_of_global = function let string_of_strength = function | Local -> "Local" | Global -> "Global" + + +(* Recursive power *) + +(* spiwack: this definition might be of use in the kernel, for now I do not + push them deeper than needed, though. *) +type recursivity_kind = + | Finite (* = inductive *) + | CoFinite (* = coinductive *) + | BiFinite (* = non-recursive, like in "Record" definitions *) + +(* helper, converts to "finiteness flag" booleans *) +let recursivity_flag_of_kind = function + | Finite | BiFinite -> true + | CoFinite -> false |