{"ast_node_type":"variable","tokens":[{"end":67,"kind":"keyword","start":0,"text":"let"}]}
        let fn_decl = cx.fn_decl(args, ast::FnRetTy::Ty(ret_type));
        let method_ident = Ident::new(self.name, span);
        let body_block = body.into_block(cx, span);