Move RegionTarget and RegionDeps where they into clean/auto_trait

Author: GuillaumeGomez

src/librustdoc/clean/auto_trait.rs

@@ -1,10 +1,24 @@
 use rustc::hir;
 use rustc::traits::auto_trait::{self, AutoTraitResult};
-use rustc::ty::{self, TypeFoldable};
+use rustc::ty::{self, Region, RegionVid, TypeFoldable};
+use rustc::util::nodemap::FxHashSet;
+
 use std::fmt::Debug;
 
 use super::*;
 
+#[derive(Eq, PartialEq, Hash, Copy, Clone, Debug)]
+enum RegionTarget<'tcx> {
+    Region(Region<'tcx>),
+    RegionVid(RegionVid)
+}
+
+#[derive(Default, Debug, Clone)]
+struct RegionDeps<'tcx> {
+    larger: FxHashSet<RegionTarget<'tcx>>,
+    smaller: FxHashSet<RegionTarget<'tcx>>
+}
+
 pub struct AutoTraitFinder<'a, 'tcx> {
     pub cx: &'a core::DocContext<'tcx>,
     pub f: auto_trait::AutoTraitFinder<'tcx>,

src/librustdoc/clean/mod.rs

@@ -23,7 +23,7 @@ use rustc::hir::def::{CtorKind, DefKind, Res};
 use rustc::hir::def_id::{CrateNum, DefId, CRATE_DEF_INDEX};
 use rustc::hir::ptr::P;
 use rustc::ty::subst::InternalSubsts;
-use rustc::ty::{self, TyCtxt, Region, RegionVid, Ty, AdtKind};
+use rustc::ty::{self, TyCtxt, Ty, AdtKind};
 use rustc::ty::fold::TypeFolder;
 use rustc::util::nodemap::{FxHashMap, FxHashSet};
 use syntax::ast::{self, Ident};
@@ -2427,18 +2427,6 @@ impl Clean<TypeBindingKind> for hir::TypeBindingKind {
     }
 }
 
-#[derive(Eq, PartialEq, Hash, Copy, Clone, Debug)]
-enum RegionTarget<'tcx> {
-    Region(Region<'tcx>),
-    RegionVid(RegionVid)
-}
-
-#[derive(Default, Debug, Clone)]
-struct RegionDeps<'tcx> {
-    larger: FxHashSet<RegionTarget<'tcx>>,
-    smaller: FxHashSet<RegionTarget<'tcx>>
-}
-
 enum SimpleBound {
     TraitBound(Vec<PathSegment>, Vec<SimpleBound>, Vec<GenericParamDef>, hir::TraitBoundModifier),
     Outlives(Lifetime),