/// A GFF record field.
#[derive(Clone, Copy, Debug, Eq, PartialEq)]
pub enum Field {
/// The reference sequence name.
ReferenceSequenceName,
/// The source.
Source,
/// The feature type.
Type,
/// The start position.
Start,
/// The end position.
End,
/// The score.
Score,
/// The strand.
Strand,
/// The phase.
Phase,
/// The attributes.
Attributes,
}