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Properly render asyncness for traits without default body

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This commit is contained in:
Michael Goulet 2022-11-02 17:33:25 +00:00
parent c0a7612728
commit 59be515128
4 changed files with 35 additions and 18 deletions
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2
compiler/rustc_ty_utils/src/ty.rs
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@ -413,7 +413,7 @@ fn issue33140_self_ty(tcx: TyCtxt<'_>, def_id: DefId) -> Option<Ty<'_>> {
/// Check if a function is async.
fn asyncness(tcx: TyCtxt<'_>, def_id: DefId) -> hir::IsAsync {
let node = tcx.hir().get_by_def_id(def_id.expect_local());
if let Some(fn_kind) = node.fn_kind() { fn_kind.asyncness() } else { hir::IsAsync::NotAsync }
node.fn_sig().map_or(hir::IsAsync::NotAsync, |sig| sig.header.asyncness)
}
/// Don't call this directly: use ``tcx.conservative_is_privately_uninhabited`` instead.