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Unify TraitRefs and PolyTraitRefs

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This commit is contained in:
Michael Goulet 2023-11-24 22:53:13 +00:00
parent 4fd68eb47b
commit e511cc7d49
4 changed files with 6 additions and 22 deletions
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6
compiler/rustc_infer/src/infer/at.rs
View File

@ -448,7 +448,11 @@ fn to_trace(
) -> TypeTrace<'tcx> {
TypeTrace {
cause: cause.clone(),
values: TraitRefs(ExpectedFound::new(a_is_expected, a, b)),
values: PolyTraitRefs(ExpectedFound::new(
a_is_expected,
ty::Binder::dummy(a),
ty::Binder::dummy(b),
)),
}
}
}

16
compiler/rustc_infer/src/infer/error_reporting/mod.rs
View File

@ -1667,9 +1667,7 @@ enum Mismatch<'a> {
.report(diag);
(false, Mismatch::Fixed("signature"))
}
ValuePairs::TraitRefs(_) | ValuePairs::PolyTraitRefs(_) => {
(false, Mismatch::Fixed("trait"))
}
ValuePairs::PolyTraitRefs(_) => (false, Mismatch::Fixed("trait")),
ValuePairs::Aliases(infer::ExpectedFound { expected, .. }) => {
(false, Mismatch::Fixed(self.tcx.def_descr(expected.def_id)))
}
@ -2219,18 +2217,6 @@ fn values_str(
infer::Aliases(exp_found) => self.expected_found_str(exp_found),
infer::ExistentialTraitRef(exp_found) => self.expected_found_str(exp_found),
infer::ExistentialProjection(exp_found) => self.expected_found_str(exp_found),
infer::TraitRefs(exp_found) => {
let pretty_exp_found = ty::error::ExpectedFound {
expected: exp_found.expected.print_only_trait_path(),
found: exp_found.found.print_only_trait_path(),
};
match self.expected_found_str(pretty_exp_found) {
Some((expected, found, _, _)) if expected == found => {
self.expected_found_str(exp_found)
}
ret => ret,
}
}
infer::PolyTraitRefs(exp_found) => {
let pretty_exp_found = ty::error::ExpectedFound {
expected: exp_found.expected.print_only_trait_path(),

5
compiler/rustc_infer/src/infer/error_reporting/nice_region_error/placeholder_error.rs
View File

@ -197,11 +197,6 @@ fn try_report_trait_placeholder_mismatch(
value_pairs: &ValuePairs<'tcx>,
) -> Option<DiagnosticBuilder<'tcx, ErrorGuaranteed>> {
let (expected_args, found_args, trait_def_id) = match value_pairs {
ValuePairs::TraitRefs(ExpectedFound { expected, found })
if expected.def_id == found.def_id =>
{
(expected.args, found.args, expected.def_id)
}
ValuePairs::PolyTraitRefs(ExpectedFound { expected, found })
if expected.def_id() == found.def_id() =>
{

1
compiler/rustc_infer/src/infer/mod.rs
View File

@ -384,7 +384,6 @@ pub enum ValuePairs<'tcx> {
Regions(ExpectedFound<ty::Region<'tcx>>),
Terms(ExpectedFound<ty::Term<'tcx>>),
Aliases(ExpectedFound<ty::AliasTy<'tcx>>),
TraitRefs(ExpectedFound<ty::TraitRef<'tcx>>),
PolyTraitRefs(ExpectedFound<ty::PolyTraitRef<'tcx>>),
PolySigs(ExpectedFound<ty::PolyFnSig<'tcx>>),
ExistentialTraitRef(ExpectedFound<ty::PolyExistentialTraitRef<'tcx>>),