Rollup merge of #69158 - ecstatic-morse:graphviz-diff, r=matthewjasper

[rust.git] / src / librustc_ty / ty.rs

diff --git a/src/librustc_ty/ty.rs b/src/librustc_ty/ty.rs
index 9f867cf8ab464f382515490e20c1e486a08a5aa3..f9b2ee3cb8e3fadc301df6fed38412ced0f617f7 100644 (file)
--- a/src/librustc_ty/ty.rs
+++ b/src/librustc_ty/ty.rs
@@ -1,15 +1,19 @@
 use rustc::hir::map as hir_map;
 use rustc::session::CrateDisambiguator;
-use rustc::traits::{self};
 use rustc::ty::subst::Subst;
 use rustc::ty::{self, ToPredicate, Ty, TyCtxt, WithConstness};
 use rustc_data_structures::svh::Svh;
 use rustc_hir as hir;
 use rustc_hir::def_id::{CrateNum, DefId, LOCAL_CRATE};
+use rustc_infer::traits;
 use rustc_span::symbol::Symbol;
 use rustc_span::Span;
 
-fn sized_constraint_for_ty(tcx: TyCtxt<'tcx>, adtdef: &ty::AdtDef, ty: Ty<'tcx>) -> Vec<Ty<'tcx>> {
+fn sized_constraint_for_ty<'tcx>(
+    tcx: TyCtxt<'tcx>,
+    adtdef: &ty::AdtDef,
+    ty: Ty<'tcx>,
+) -> Vec<Ty<'tcx>> {
     use ty::TyKind::*;
 
     let result = match ty.kind {
@@ -206,6 +210,12 @@ fn associated_item_def_ids(tcx: TyCtxt<'_>, def_id: DefId) -> &[DefId] {
     }
 }
 
+fn associated_items<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> &'tcx [ty::AssocItem] {
+    tcx.arena.alloc_from_iter(
+        tcx.associated_item_def_ids(def_id).iter().map(|did| tcx.associated_item(*did)),
+    )
+}
+
 fn def_span(tcx: TyCtxt<'_>, def_id: DefId) -> Span {
     tcx.hir().span_if_local(def_id).unwrap()
 }
@@ -356,6 +366,7 @@ pub fn provide(providers: &mut ty::query::Providers<'_>) {
         asyncness,
         associated_item,
         associated_item_def_ids,
+        associated_items,
         adt_sized_constraint,
         def_span,
         param_env,