{"ast_node_type":"other","tokens":[{"end":77,"kind":"keyword","start":0,"text":"|b:"}]}
                    |b: chalk_ir::Binders<chalk_ir::WhereClause<Interner>>| {
                let clauses = expected_ty.impl_trait_bounds(self.db).into_iter().flatten().map(
                        b.into_value_and_skipped_binders().0