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Show pattern mismatch diagnostics

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This commit is contained in:
Lukas Wirth 2023-02-28 15:13:45 +01:00
parent 9b441b9c67
commit fc2b395e00
8 changed files with 117 additions and 71 deletions
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9
crates/hir-ty/src/infer.rs
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@ -389,18 +389,15 @@ impl InferenceResult {
pub fn type_mismatch_for_pat(&self, pat: PatId) -> Option<&TypeMismatch> {
self.type_mismatches.get(&pat.into())
}
pub fn type_mismatches(&self) -> impl Iterator<Item = (ExprOrPatId, &TypeMismatch)> {
self.type_mismatches.iter().map(|(expr_or_pat, mismatch)| (*expr_or_pat, mismatch))
}
pub fn expr_type_mismatches(&self) -> impl Iterator<Item = (ExprId, &TypeMismatch)> {
self.type_mismatches.iter().filter_map(|(expr_or_pat, mismatch)| match *expr_or_pat {
ExprOrPatId::ExprId(expr) => Some((expr, mismatch)),
_ => None,
})
}
pub fn pat_type_mismatches(&self) -> impl Iterator<Item = (PatId, &TypeMismatch)> {
self.type_mismatches.iter().filter_map(|(expr_or_pat, mismatch)| match *expr_or_pat {
ExprOrPatId::PatId(pat) => Some((pat, mismatch)),
_ => None,
})
}
}
impl Index<ExprId> for InferenceResult {