1.To map CSV rows onto a struct when reading with csv::Reader, what must the struct derive?
2.Your CSV header is Full Name but you want the struct field to be name. What is the idiomatic way to bridge the mismatch?
3.When iterating with for result in rdr.deserialize(), why is each item a Result rather than a plain record?
4.Using csv::Writer with a struct that derives Serialize, what happens to the header row when you call wtr.serialize(...)?
5.You want a csv::Writer that emits rows with no header line at all. How do you configure this?
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