pub fn build(f: fn(a) -> b) -> Builder(fn(a) -> b)

pub fn col(
  builder: Builder(fn(a) -> b),
  parse: fn(String) -> Result(a, Nil),
) -> Builder(b)

pub fn col_sep(
  builder: Builder(a),
  col_sep: String,
) -> Builder(a)

pub fn from(
  builder: Builder(a),
  text: String,
) -> Result(List(a), String)

pub fn from_with_rest(
  builder: Builder(a),
  text: String,
) -> Result(List(#(a, List(String))), String)

pub fn parsed(f: fn(a) -> b) -> fn(a) -> b

pub fn row_sep(
  builder: Builder(a),
  row_sep: String,
) -> Builder(a)

pub fn skip_header(
  builder: Builder(a),
  skip_header: Bool,
) -> Builder(a)