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added flatten filter (#33102)

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* added flatten filter
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Brian Coca 2017-12-15 14:40:02 -05:00 • committed by GitHub
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docs/docsite/rst/playbooks_filters.rst
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@ -116,6 +116,19 @@ To get the maximum value from a list of numbers::
{{ [3, 4, 2] | max }}
.. versionadded:: 2.5
Flatten a list (same thing the `flatten` lookup does)::
{{ [3, [4, 2] ]|flatten }}
Flatten only the first level of a list (akin to the `items` lookup)::
{{ [3, [4, [2]] ]|flatten(level=1) }}
To get the minimum value from list of numbers::
.. _set_theory_filters:
Set Theory Filters