Fix for rustc 1.26.0-nightly (322d7f7b9 2018-02-25)

2018-02-26 18:01:10 +09:00 · 2018-02-26 18:01:10 +09:00 · 0411843170
commit 0411843170
parent 6097b8240b
1 changed files with 1 additions and 1 deletions
--- a/clippy_lints/src/derive.rs
+++ b/clippy_lints/src/derive.rs
@ -149,7 +149,7 @@ fn check_copy_clone<'a, 'tcx>(cx: &LateContext<'a, 'tcx>, item: &Item, trait_ref
                    }
                }
                for subst in substs {
-                    if let Some(subst) = subst.as_type() {
+                    if let ty::subst::UnpackedKind::Type(subst) = subst.unpack() {
                        if let ty::TyParam(_) = subst.sty {
                            return;
                        }