func()

in arrow/csv/reader.go [263:328]

• 64 lines of code
• 15 McCabe index (conditional complexity)

func (r *Reader) initFieldConverter(field *arrow.Field) func(array.Builder, string) {
	switch field.Type.(type) {
	case *arrow.BooleanType:
		return func(field array.Builder, str string) {
			r.parseBool(field, str)
		}
	case *arrow.Int8Type:
		return func(field array.Builder, str string) {
			r.parseInt8(field, str)
		}
	case *arrow.Int16Type:
		return func(field array.Builder, str string) {
			r.parseInt16(field, str)
		}
	case *arrow.Int32Type:
		return func(field array.Builder, str string) {
			r.parseInt32(field, str)
		}
	case *arrow.Int64Type:
		return func(field array.Builder, str string) {
			r.parseInt64(field, str)
		}
	case *arrow.Uint8Type:
		return func(field array.Builder, str string) {
			r.parseUint8(field, str)
		}
	case *arrow.Uint16Type:
		return func(field array.Builder, str string) {
			r.parseUint16(field, str)
		}
	case *arrow.Uint32Type:
		return func(field array.Builder, str string) {
			r.parseUint32(field, str)
		}
	case *arrow.Uint64Type:
		return func(field array.Builder, str string) {
			r.parseUint64(field, str)
		}
	case *arrow.Float32Type:
		return func(field array.Builder, str string) {
			r.parseFloat32(field, str)
		}
	case *arrow.Float64Type:
		return func(field array.Builder, str string) {
			r.parseFloat64(field, str)
		}
	case *arrow.StringType:
		// specialize the implementation when we know we cannot have nulls
		if r.stringsCanBeNull {
			return func(field array.Builder, str string) {
				if r.isNull(str) {
					field.AppendNull()
				} else {
					field.(*array.StringBuilder).Append(str)
				}
			}
		} else {
			return func(field array.Builder, str string) {
				field.(*array.StringBuilder).Append(str)
			}
		}

	default:
		panic(fmt.Errorf("arrow/csv: unhandled field type %T", field.Type))
	}
}