bjoernager/rust
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Merge impl_constness and is_const_fn_raw.

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This commit is contained in:
Camille GILLOT 2022-03-13 11:12:50 +01:00
parent e62f483842
commit 15b2d1a97c
8 changed files with 52 additions and 63 deletions
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11
compiler/rustc_middle/src/ty/mod.rs
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@ -289,6 +289,11 @@ pub struct ClosureSizeProfileData<'tcx> {
pub trait DefIdTree: Copy {
fn parent(self, id: DefId) -> Option<DefId>;
#[inline]
fn local_parent(self, id: LocalDefId) -> Option<LocalDefId> {
Some(self.parent(id.to_def_id())?.expect_local())
}
fn is_descendant_of(self, mut descendant: DefId, ancestor: DefId) -> bool {
if descendant.krate != ancestor.krate {
return false;
@ -2256,6 +2261,12 @@ impl<'tcx> TyCtxt<'tcx> {
pub fn is_object_safe(self, key: DefId) -> bool {
self.object_safety_violations(key).is_empty()
}
#[inline]
pub fn is_const_fn_raw(self, def_id: DefId) -> bool {
matches!(self.def_kind(def_id), DefKind::Fn | DefKind::AssocFn | DefKind::Ctor(..))
&& self.impl_constness(def_id) == hir::Constness::Const
}
}
/// Yields the parent function's `LocalDefId` if `def_id` is an `impl Trait` definition.