data

type FileOptions struct {
	FileName  string
	SheetNum  *int
	Delimiter *rune
	Mapper    *Mapper
}

type FileParser interface {
	Read() (<-chan []string, <-chan error)
	Init(options FileOptions) error
}

type Mapper struct {
	Fields        map[string]interface{}
	MappedFields  map[string]int
	SpecialFields map[string]string
	Values        []interface{}
	DynamicValues map[int]string
	DynamicFields []string
}