// InitialLines returns a function which will specify the number of lines for
// the DFReader to read at the start of the input after any header. These
// lines are used to determine the number of columns and their data
// types. The default is 10
InitialLines returns a function which will specify the number of lines for
the DFReader to read at the start of the input after any header. These
lines are used to determine the number of columns and their data
types. The default is 10
// InitialLines returns a function which will specify the number of lines for // the DFReader to read at the start of the input after any header . These // lines are used to determine the number of columns and their data // types . The default is 10
func InitialLines(n int64) DFReaderOpt {
	return func(dfr *DFReader) error {
		if n < 0 {
			return dfErrorf(
				"the number of lines to decide column type (%d) must be >= 0",
				n)
		}
		dfr.initialLines = n
		return nil
	}
}
func InitialLines ( n int64 ) DFReaderOpt { return func ( dfr * DFReader ) error { if n < 0 { return dfErrorf ( " " , n ) } dfr . initialLines = n return nil } }
InitialLines returns a function which will specify the number of lines for
the DFReader to read at the start of the input after any header.
InitialLines returns a function which will specify the number of lines for the DFReader to read at the start of the input after any header .