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doc/jinja2_cheatsheet.EN.txt  view on Meta::CPAN

  {% endfor %}

  loop special variable:
    loop.index      1-based counter
    loop.index0     0-based counter
    loop.revindex   reverse counter (1-based)
    loop.revindex0  reverse counter (0-based)
    loop.first      true on first iteration
    loop.last       true on last iteration
    loop.length     total number of items
    loop.odd        true on odd-numbered iterations (1st, 3rd, ...)
    loop.even       true on even-numbered iterations (2nd, 4th, ...)

[ 8. Set ]

  {% set x = 42 %}
  {% set greeting = "Hello, " ~ name %}
  {% set items = [1, 2, 3] %}

[ 9. Include ]

  {% include "header.html" %}

lib/HP/Handy.pm  view on Meta::CPAN

Loop variable C<loop>:

  loop.index      1-based counter
  loop.index0     0-based counter
  loop.revindex   reverse counter (1-based)
  loop.revindex0  reverse counter (0-based)
  loop.first      true on first iteration
  loop.last       true on last iteration
  loop.length     total number of items
  loop.odd        true on odd iterations
  loop.even       true on even iterations

Dict iteration:

  {% for key, value in mapping %}
      {{ key }}: {{ value }}
  {% endfor %}

=head2 Set

  {% set x = 42 %}

t/0005-tags-for.t  view on Meta::CPAN

###############################################################################
# Basic iteration
###############################################################################

# ok 1-6
is(r('{% for i in x %}{{ i }}{% endfor %}', {x=>['a','b','c']}),  'abc',  'for: string list');
is(r('{% for i in x %}{{ i }}{% endfor %}', {x=>[1,2,3]}),        '123',  'for: integer list');
is(r('{% for i in x %}{{ i }},{% endfor %}',{x=>['a','b']}),      'a,b,', 'for: with comma separator');
is(r('{% for i in x %}{% endfor %}',        {x=>[1,2,3]}),        '',     'for: empty body');
is(r('{% for i in x %}{{ i }}{% endfor %}', {x=>[42]}),           '42',   'for: single element');
is(r('{% for i in x %}x{% endfor %}',       {x=>[1,2,3,4,5]}),    'xxxxx','for: 5 iterations');

###############################################################################
# loop.index / loop.index0
###############################################################################

# ok 7-10
is(r('{% for i in x %}{{ loop.index }}{% endfor %}', {x=>['a','b','c']}),
   '123', 'loop.index: 1-based');
is(r('{% for i in x %}{{ loop.index0 }}{% endfor %}', {x=>['a','b','c']}),
   '012', 'loop.index0: 0-based');