Cover mode when unifying variable slices

This commit is contained in:
Ayaz Hafiz 2022-11-01 10:13:51 -05:00
parent 08d04e8c79
commit a58d128d9e
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GPG key ID: 0E2A37416A25EF58

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@ -2788,7 +2788,7 @@ fn unify_flat_type<M: MetaCollector>(
}
(Apply(l_symbol, l_args), Apply(r_symbol, r_args)) if l_symbol == r_symbol => {
let mut outcome = unify_zip_slices(env, pool, *l_args, *r_args);
let mut outcome = unify_zip_slices(env, pool, *l_args, *r_args, ctx.mode);
if outcome.mismatches.is_empty() {
outcome.union(merge(env, ctx, Structure(Apply(*r_symbol, *r_args))));
@ -2799,7 +2799,7 @@ fn unify_flat_type<M: MetaCollector>(
(Func(l_args, l_closure, l_ret), Func(r_args, r_closure, r_ret))
if l_args.len() == r_args.len() =>
{
let arg_outcome = unify_zip_slices(env, pool, *l_args, *r_args);
let arg_outcome = unify_zip_slices(env, pool, *l_args, *r_args, ctx.mode);
let ret_outcome = unify_pool(env, pool, *l_ret, *r_ret, ctx.mode);
let closure_outcome = unify_pool(env, pool, *l_closure, *r_closure, ctx.mode);
@ -2926,6 +2926,7 @@ fn unify_zip_slices<M: MetaCollector>(
pool: &mut Pool,
left: SubsSlice<Variable>,
right: SubsSlice<Variable>,
mode: Mode,
) -> Outcome<M> {
let mut outcome = Outcome::default();
@ -2935,7 +2936,7 @@ fn unify_zip_slices<M: MetaCollector>(
let l_var = env.subs[l_index];
let r_var = env.subs[r_index];
outcome.union(unify_pool(env, pool, l_var, r_var, Mode::EQ));
outcome.union(unify_pool(env, pool, l_var, r_var, mode));
}
outcome