All the conversion functions for internal use
S : Stringableval is_csv_atom : booltrue if csvable will be represented as a column, and its label is the field name
of a containing record.
val rev_csv_header' : string list ‑> _ ‑> _ ‑> string listA Fields.fold friendly version of a function to collect the csv header of the
csvable type. The output is the header in reverse order.
val t_of_row' : _ ‑> string list ‑> (unit ‑> t) * string listt_of_row' _ row generates a Fields.make_creator friendly function that outputs a
pair (creator, tail) such that creator () generates the type t with the first
elements in row, and tail is the remaining set of elements from row that where not
used in the creation of t.
val write_row_of_t' : is_first:bool ‑> is_last:bool ‑> writer:(string ‑> unit) ‑> _ ‑> _ ‑> t ‑> unitrow_of_t' has the same arguments as Helper.write. The ignored arguments are
used to make it Fields.fold friendly.