19 lines
544 B
Rust
19 lines
544 B
Rust
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use rustc_hir::def::DefKind;
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use rustc_hir::def_id::CRATE_DEF_ID;
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use rustc_middle::ty::TyCtxt;
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use rustc_span::sym;
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pub(crate) fn opaque_hidden_types(tcx: TyCtxt<'_>) {
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if !tcx.has_attr(CRATE_DEF_ID, sym::rustc_hidden_type_of_opaques) {
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return;
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}
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for id in tcx.hir().items() {
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let DefKind::OpaqueTy = tcx.def_kind(id.owner_id) else { continue };
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let ty = tcx.type_of(id.owner_id).instantiate_identity();
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tcx.dcx().emit_err(crate::errors::TypeOf { span: tcx.def_span(id.owner_id), ty });
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}
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}
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