{"ast_node_type":"variable","tokens":[{"end":52,"kind":"keyword","start":0,"text":"if"}]}
        if let ty::Array(_, len) = place_ty.kind() {
        let place_ty = place.ty(self.local_decls, self.tcx).ty;
            return Some(self.insert_constant(Const::Ty(self.tcx.types.usize, *len)));