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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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16
crates/compiler/can/src/constraint.rs
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@ -676,6 +676,22 @@ impl Constraints {
roc_error_macros::assert_sizeof_default!(Constraint, 3 * 8);
roc_error_macros::assert_sizeof_aarch64!(Constraint, 3 * 8);
impl std::ops::Index<ExpectedTypeIndex> for Constraints {
type Output = Expected<TypeOrVar>;
fn index(&self, index: ExpectedTypeIndex) -> &Self::Output {
&self.expectations[index.index()]
}
}
impl std::ops::Index<PExpectedTypeIndex> for Constraints {
type Output = PExpected<TypeOrVar>;
fn index(&self, index: PExpectedTypeIndex) -> &Self::Output {
&self.pattern_expectations[index.index()]
}
}
#[derive(Clone, Copy, Debug)]
pub struct Eq(
pub TypeOrVar,