{"ast_node_type":"other","tokens":[{"end":82,"kind":"keyword","start":0,"text":"println!(\"{},"}]}
    println!("{}, `{name:.*}` has 3 fractional digits", "Hello", 3, name=1234.56);
    println!("Hello {} is {number:.prec$}", "x", prec = 5, number = 0.01);
    println!("{}, `{name:.*}` has 3 characters", "Hello", 3, name="1234.56");