A few small cleanups for `newtype_index`

Remove the `..` from the body, only a few invocations used it and it's
inconsistent with rust syntax.

Use `;` instead of `,` between consts. As the Rust syntax gods inteded.

2 files changed, 3 insertions, 4 deletions

diff --git a/compiler/rustc_query_system/src/dep_graph/graph.rs b/compiler/rustc_query_system/src/dep_graph/graph.rs
index 0e7d628c1eb..52957ee0222 100644
--- a/compiler/rustc_query_system/src/dep_graph/graph.rs
+++ b/compiler/rustc_query_system/src/dep_graph/graph.rs
@@ -37,7 +37,7 @@ pub struct DepGraph<K: DepKind> {
 }
 
 rustc_index::newtype_index! {
-    pub struct DepNodeIndex { .. }
+    pub struct DepNodeIndex {}
 }
 
 impl DepNodeIndex {
@@ -974,7 +974,7 @@ pub struct WorkProduct {
 
 // Index type for `DepNodeData`'s edges.
 rustc_index::newtype_index! {
-    struct EdgeIndex { .. }
+    struct EdgeIndex {}
 }
 
 /// `CurrentDepGraph` stores the dependency graph for the current session. It
diff --git a/compiler/rustc_query_system/src/dep_graph/serialized.rs b/compiler/rustc_query_system/src/dep_graph/serialized.rs
index fbc0aeb6c80..a918328d413 100644
--- a/compiler/rustc_query_system/src/dep_graph/serialized.rs
+++ b/compiler/rustc_query_system/src/dep_graph/serialized.rs
@@ -28,8 +28,7 @@ use smallvec::SmallVec;
 // and use those bits to encode which index type it contains.
 rustc_index::newtype_index! {
     #[max = 0x7FFF_FFFF]
-    pub struct SerializedDepNodeIndex {
-    }
+    pub struct SerializedDepNodeIndex {}
 }
 
 /// Data for use when recompiling the **current crate**.