avoid converting types into themselves via .into() (clippy::useless-conversion)

example: let x: String = String::from("hello world").into();

1 files changed, 1 insertions, 1 deletions

diff --git a/crates/hir_ty/src/traits/chalk/mapping.rs b/crates/hir_ty/src/traits/chalk/mapping.rs
index 524814f43..d969527dc 100644
--- a/crates/hir_ty/src/traits/chalk/mapping.rs
+++ b/crates/hir_ty/src/traits/chalk/mapping.rs
@@ -52,7 +52,7 @@ impl ToChalk for Ty {
 
             TyKind::Tuple(cardinality, substs) => {
                 let substitution = substs.to_chalk(db);
-                chalk_ir::TyKind::Tuple(cardinality.into(), substitution).intern(&Interner)
+                chalk_ir::TyKind::Tuple(cardinality, substitution).intern(&Interner)
             }
             TyKind::Raw(mutability, ty) => {
                 let ty = ty.to_chalk(db);