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Rollup merge of #108010 - compiler-errors:can_eq-returns-bool, r=lcnr

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Make `InferCtxt::can_eq` and `InferCtxt::can_sub` return booleans

Nobody matches on the result, nor does the result return anything useful...
This commit is contained in:
Matthias Krüger
2023-02-15 21:30:56 +01:00
committed by GitHub
parent d40c13ae02 eb286dd070
commit 8f65e25aec
13 changed files with 33 additions and 43 deletions
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4
compiler/rustc_infer/src/infer/error_reporting/note_and_explain.rs
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@@ -576,7 +576,7 @@ fn foo(&self) -> Self::T { String::new() }
tcx.impl_defaultness(item.id.owner_id)
{
let assoc_ty = tcx.bound_type_of(item.id.owner_id).subst_identity();
if self.infcx.can_eq(param_env, assoc_ty, found).is_ok() {
if self.infcx.can_eq(param_env, assoc_ty, found) {
diag.span_label(
item.span,
"associated type defaults can't be assumed inside the \
@@ -598,7 +598,7 @@ fn foo(&self) -> Self::T { String::new() }
if let hir::AssocItemKind::Type = item.kind {
let assoc_ty = tcx.bound_type_of(item.id.owner_id).subst_identity();
if self.infcx.can_eq(param_env, assoc_ty, found).is_ok() {
if self.infcx.can_eq(param_env, assoc_ty, found) {
diag.span_label(item.span, "expected this associated type");
return true;
}