Use List::empty() instead of mk_substs(&[]).

nnethercote · nnethercote · commit e5df17aae5f9 · 2023-02-24T07:33:02.000+11:00
diff --git a/clippy_utils/src/consts.rs b/clippy_utils/src/consts.rs
@@ -237,7 +237,7 @@ pub fn constant<'tcx>(
         typeck_results,
         param_env: lcx.param_env,
         needed_resolution: false,
-        substs: lcx.tcx.mk_substs(&[]),
+        substs: ty::List::empty(),
     };
     cx.expr(e).map(|cst| (cst, cx.needed_resolution))
 }
@@ -306,7 +306,7 @@ pub fn constant_context<'a, 'tcx>(
         typeck_results,
         param_env: lcx.param_env,
         needed_resolution: false,
-        substs: lcx.tcx.mk_substs(&[]),
+        substs: ty::List::empty(),
     }
 }
 

Original file line number	Diff line number	Diff line change
`@@ -237,7 +237,7 @@ pub fn constant<'tcx>(`
`237`	`237`	`typeck_results,`
`238`	`238`	`param_env: lcx.param_env,`
`239`	`239`	`needed_resolution: false,`
`240`		`- substs: lcx.tcx.mk_substs(&[]),`
	`240`	`+ substs: ty::List::empty(),`
`241`	`241`	`};`
`242`	`242`	`cx.expr(e).map(\|cst\| (cst, cx.needed_resolution))`
`243`	`243`	`}`
`@@ -306,7 +306,7 @@ pub fn constant_context<'a, 'tcx>(`
`306`	`306`	`typeck_results,`
`307`	`307`	`param_env: lcx.param_env,`
`308`	`308`	`needed_resolution: false,`
`309`		`- substs: lcx.tcx.mk_substs(&[]),`
	`309`	`+ substs: ty::List::empty(),`
`310`	`310`	`}`
`311`	`311`	`}`
`312`	`312`