`That's right!' shouted the Queen.  `Can you play croquet?'

  The soldiers were silent, and looked at Alice, as the question
was evidently meant for her.

  `Yes!' shouted Alice.

  `Come on, then!' roared the Queen, and Alice joined the
procession, wondering very much what would happen next.

  `It's--it's a very fine day!' said a timid voice at her side.
She was walking by the White Rabbit, who was peeping anxiously

constants</a>. Its value is the index of the respective <a href="#ConstSpec">ConstSpec</a>
in that constant declaration, starting at zero.
It can be used to construct a set of related constants:
</p>

<pre>
const (
	c0 = iota  // c0 == 0
	c1 = iota  // c1 == 1
	c2 = iota  // c2 == 2
)

const (
	a = 1 &lt;&lt; iota  // a == 1  (iota == 0)

constants</a>. Its value is the index of the respective <a href="#ConstSpec">ConstSpec</a>
in that constant declaration, starting at zero.
It can be used to construct a set of related constants:
</p>

<pre>
const (
	c0 = iota  // c0 == 0
	c1 = iota  // c1 == 1
	c2 = iota  // c2 == 2
)

const (
	a = 1 &lt;&lt; iota  // a == 1  (iota == 0)