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Index into constraining via trait

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Ayaz Hafiz 2022-11-07 17:07:58 -06:00
parent 24b6d4a3a9
commit 51d813dae2
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3 changed files with 25 additions and 9 deletions
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8
crates/compiler/constrain/src/pattern.rs
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@ -198,7 +198,7 @@ pub fn constrain_pattern(
// A -> ""
// _ -> ""
// so, we know that "x" (in this case, a tag union) must be open.
let expected_type = *constraints.pattern_expectations[expected.index()].get_type_ref();
let expected_type = *constraints[expected].get_type_ref();
if could_be_a_tag_union(constraints, expected_type) {
state
.delayed_is_open_constraints
@ -210,7 +210,7 @@ pub fn constrain_pattern(
}
Identifier(symbol) | Shadowed(_, _, symbol) => {
let expected = &constraints.pattern_expectations[expected.index()];
let expected = &constraints[expected];
let type_index = *expected.get_type_ref();
if could_be_a_tag_union(constraints, type_index) {
@ -232,7 +232,7 @@ pub fn constrain_pattern(
ident: symbol,
specializes: _,
} => {
let expected = &constraints.pattern_expectations[expected.index()];
let expected = &constraints[expected];
let type_index = *expected.get_type_ref();
if could_be_a_tag_union(constraints, type_index) {
@ -598,7 +598,7 @@ pub fn constrain_pattern(
}
let pat_category = PatternCategory::Ctor(tag_name.clone());
let expected_type = *constraints.pattern_expectations[expected.index()].get_type_ref();
let expected_type = *constraints[expected].get_type_ref();
let whole_con = constraints.includes_tag(
expected_type,