diff options
Diffstat (limited to 'library/states.mli')
| -rw-r--r-- | library/states.mli | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/library/states.mli b/library/states.mli index 06a877802..d648a68ce 100644 --- a/library/states.mli +++ b/library/states.mli @@ -1,8 +1,17 @@ (* $Id$ *) +(*s States of the system. *) + type state val intern_state : string -> unit val extern_state : string -> unit +(*s Rollback. [with_heavy_rollback f x] applies [f] to [x] and restores the + state of the whole system as it was before the evaluation if an exception + is raised. *) + +val with_heavy_rollback : ('a -> 'b) -> 'a -> 'b + + |