func()

in pq/cursor.go [115:135]

• 18 lines of code
• 6 McCabe index (conditional complexity)

func (c *txCursor) readInto(to []byte) ([]byte, reason) {
	for len(to) > 0 {
		// try to advance cursor to next page if last read did end at end of page
		if c.PageBytes() == 0 {
			ok, err := c.AdvancePage()
			if !ok || err != nil {
				return to, err
			}
		}

		var n int
		err := c.WithBytes(func(b []byte) { n = copy(to, b) })
		to = to[n:]
		c.cursor.off += n
		if err != nil {
			return to, err
		}
	}

	return to, nil
}