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Improve error message for uninhabited patterns

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Ayaz Hafiz 2022-09-19 10:55:02 -05:00
parent 147636f42b
commit 0f0e414272
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4 changed files with 64 additions and 40 deletions
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12
crates/compiler/exhaustive/src/lib.rs
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@ -92,14 +92,12 @@ pub enum Error {
overall_region: Region,
branch_region: Region,
index: HumanIndex,
reason: RedundantReason,
},
}
#[derive(Clone, Copy, Debug, PartialEq)]
pub enum RedundantReason {
PreviouslyCovered,
Uninhabited,
Unmatchable {
overall_region: Region,
branch_region: Region,
index: HumanIndex,
},
}
#[derive(Clone, Copy, Debug, PartialEq, Eq)]