diff options
Diffstat (limited to 'lib/future.mli')
| -rw-r--r-- | lib/future.mli | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/lib/future.mli b/lib/future.mli index b4eced06a..41f5e185c 100644 --- a/lib/future.mli +++ b/lib/future.mli @@ -84,8 +84,18 @@ val from_val : ?fix_exn:fix_exn -> 'a -> 'a computation the value is not just the 'a but also the global system state *) val from_here : ?fix_exn:fix_exn -> 'a -> 'a computation -(* To get the fix_exn of a computation *) +(* To get the fix_exn of a computation and build a Tacexpr.declaration_hook. + * When a future enters the environment a corresponding hook is run to perform + * some work. If this fails, then its failure has to be annotated with the + * same state id that corresponds to the future computation end. I.e. Qed + * is split into two parts, the lazy one (the future) and the eagher one + * (the hook), both performing some computations for the same state id. *) val fix_exn_of : 'a computation -> fix_exn +type 'a hook +val mk_hook : + (Decl_kinds.locality -> Globnames.global_reference -> 'a) -> 'a hook +val call_hook : + fix_exn -> 'a hook -> Decl_kinds.locality -> Globnames.global_reference -> 'a (* Run remotely, returns the function to assign. Optionally tekes a function that is called when forced. The default one is to raise NotReady. |