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Nested Eq constraint in Exhaustive behind SoA

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Ayaz Hafiz 2022-04-22 16:00:42 -04:00
parent 17e7b10267
commit 1de67fe19a
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2 changed files with 38 additions and 50 deletions
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21
compiler/solve/src/solve.rs
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@ -776,7 +776,7 @@ fn solve(
copy
}
Eq(type_index, expectation_index, category_index, region) => {
Eq(roc_can::constraint::Eq(type_index, expectation_index, category_index, region)) => {
let category = &constraints.categories[category_index.index()];
let actual =
@ -1197,14 +1197,7 @@ fn solve(
}
}
}
&Exhaustive {
real_var,
real_region,
real_category,
expected_branches,
sketched_rows,
context,
} => {
&Exhaustive(eq, sketched_rows, context) => {
// A few cases:
// 1. Either condition or branch types already have a type error. In this case just
// propagate it.
@ -1216,6 +1209,16 @@ fn solve(
// 4. Condition and branch types aren't "almost equal", this is just a normal type
// error.
let roc_can::constraint::Eq(
real_var,
expected_branches,
real_category,
real_region,
) = constraints.eq[eq.index()];
let real_var =
either_type_index_to_var(constraints, subs, rank, pools, aliases, real_var);
let expected_branches = &constraints.expectations[expected_branches.index()];
let branches_var =
type_to_var(subs, rank, pools, aliases, expected_branches.get_type_ref());