diff options
| author |  Matthieu Sozeau <mattam@mattam.org> | 2018-01-04 05:40:08 -0800 |
|---|---|---|
| committer | Matthieu Sozeau <mattam@mattam.org> | 2018-03-08 07:40:27 -0300 |
| commit | fd2e9fd5f859f729765706f1f56df0fa080c0513 (patch) | |
| tree | 33f0090f7d0e47c544621120ab52e2e5646be9ee /kernel/reduction.ml | |
| parent | 563199757c5756fb5858da1b684162566a73fa3e (diff) | |
Relax conversion of constructors according to the pCuIC model
- Nothing to check in conversion as they have a common supertype
by typing.
- In inference, enforce that one is lower than the other.
Diffstat (limited to 'kernel/reduction.ml')
| -rw-r--r-- | kernel/reduction.ml | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/reduction.ml b/kernel/reduction.ml index e9be1b35d..b3e689414 100644 --- a/kernel/reduction.ml +++ b/kernel/reduction.ml @@ -269,8 +269,9 @@ let convert_constructors_gen cmp_instances cmp_cumul (mind, ind, cns) nargs u1 u if not (Int.equal num_cnstr_args nargs) then cmp_instances u1 u2 s else - let csts = get_cumulativity_constraints CONV cumi u1 u2 in - cmp_cumul csts s + (** By invariant, both constructors have a common supertype, + so they are convertible _at that type_. *) + s let convert_constructors ctor nargs u1 u2 (s, check) = convert_constructors_gen (check.compare_instances ~flex:false) check.compare_cumul_instances |