{"ast_node_type":"other","tokens":[{"end":54,"kind":"keyword","start":0,"text":"println!(\"{1}"}]}
    println!("{1} {} {0} {}", 1, 2);   // => "2 1 1 2"
    println!("{:04}", 42);             // => "0042" with leading zerosV
    println!("{argument}", argument = "test");   // => "test"