{"ast_node_type":"variable","tokens":[{"end":79,"kind":"keyword","start":0,"text":"let"}]}
            let array_ptr_type = Ty::new_ptr(fcx.tcx, m_expr.ty, m_expr.mutbl);
            // Coerce to a raw pointer so that we generate RawPtr in MIR.
            fcx.coerce(self.expr, self.expr_ty, array_ptr_type, AllowTwoPhase::No, None)