{"ast_node_type":"variable","tokens":[{"end":76,"kind":"keyword","start":0,"text":"let"}]}
        let fa = lit.syntax().parent().and_then(ast::FormatArgsExpr::cast)?;
        let lit = string.syntax().parent().and_then(ast::Literal::cast)?;
        (fa.template()? == ast::Expr::Literal(lit)).then_some(|| ())