An "entire" Rust struct containing a single string field is just a struct with a single field. You don't have to specify the fields you don't need and it's unli

An "entire" Rust struct containing a single string field is just a struct with a single field. You don't have to specify the fields you don't need and it's unlikely your handrolled parser would be faster than serde (unless you are using memchr or something, then in that case you aren't parsing JSON).