diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/boot/me/typestate.ml | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/boot/me/typestate.ml b/src/boot/me/typestate.ml index 764fdc96..2c0c4b15 100644 --- a/src/boot/me/typestate.ml +++ b/src/boot/me/typestate.ml @@ -68,9 +68,10 @@ let determine_constr_key if referent_is_slot cx aid then if type_has_state - (slot_ty (get_slot cx aid)) + (strip_mutable_or_constrained_ty + (slot_ty (get_slot cx aid))) then err (Some aid) - "predicate applied to slot of mutable type" + "predicate applied to slot of state type" else aid else (* Items are always constant, they're ok. |