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Diffstat (limited to 'crates/hir-ty/src/chalk_ext.rs')
-rw-r--r--crates/hir-ty/src/chalk_ext.rs4
1 files changed, 2 insertions, 2 deletions
diff --git a/crates/hir-ty/src/chalk_ext.rs b/crates/hir-ty/src/chalk_ext.rs
index c9ab356854..d6d0b34934 100644
--- a/crates/hir-ty/src/chalk_ext.rs
+++ b/crates/hir-ty/src/chalk_ext.rs
@@ -218,7 +218,7 @@ impl TyExt for Ty {
// invariant ensured by `TyLoweringContext::lower_dyn_trait()`.
// FIXME: dyn types may not have principal trait and we don't want to return auto trait
// here.
- TyKind::Dyn(dyn_ty) => dyn_ty.bounds.skip_binders().interned().get(0).and_then(|b| {
+ TyKind::Dyn(dyn_ty) => dyn_ty.bounds.skip_binders().interned().first().and_then(|b| {
match b.skip_binders() {
WhereClause::Implemented(trait_ref) => Some(trait_ref),
_ => None,
@@ -427,7 +427,7 @@ pub trait DynTyExt {
impl DynTyExt for DynTy {
fn principal(&self) -> Option<&TraitRef> {
- self.bounds.skip_binders().interned().get(0).and_then(|b| match b.skip_binders() {
+ self.bounds.skip_binders().interned().first().and_then(|b| match b.skip_binders() {
crate::WhereClause::Implemented(trait_ref) => Some(trait_ref),
_ => None,
})