bjoernager/rust
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Remove #[default..] and add #[const_trait]

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Deadbeef 2022-03-16 20:49:54 +11:00 • committed by Oli Scherer
parent f558990814
commit 257f06587c
30 changed files with 74 additions and 250 deletions
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4
compiler/rustc_ty_utils/src/ty.rs
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@ -152,9 +152,7 @@ fn param_env(tcx: TyCtxt<'_>, def_id: DefId) -> ty::ParamEnv<'_> {
let constness = match hir_id {
Some(hir_id) => match tcx.hir().get(hir_id) {
hir::Node::TraitItem(hir::TraitItem { kind: hir::TraitItemKind::Fn(..), .. })
if tcx.has_attr(def_id, sym::default_method_body_is_const) =>
{
hir::Node::TraitItem(hir::TraitItem { kind: hir::TraitItemKind::Fn(..), .. }) if matches!(tcx.trait_of_item(def_id), Some(trait_id) if tcx.has_attr(trait_id, sym::const_trait)) => {
hir::Constness::Const
}