A loop in a template

What a template reads on loop inside a for loop.

index

The number of the current item, counting from 1.

index0

The number of the current item, counting from 0.

revindex

How many items are left, this one included, counting down to 1.

revindex0

How many items are left after this one, counting down to 0.

first

true on the loop’s first item.

last

true on the loop’s last item.

length

How many items the loop goes through.

depth

In a loop written with recursive, how deep this level is, counting from 1.

depth0

In a loop written with recursive, how deep this level is, counting from 0.

previtem

The item before this one. On the first item, it has no value.

nextitem

The item after this one. On the last item, it has no value.

changed

loop.changed(post.date.year) gives true if the value it is given differs from the one it was given on the item before. It is always true on the first item.

cycle

loop.cycle("odd", "even") gives the values it is given in turn, the next one on each item: odd on the first item, even on the second, and odd again on the third.