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Explained the explicit typing in YAML documents #8200

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Explained the explicity typing in YAML documents
javiereguiluz Jul 20, 2017
22f97a2
Fixed a typo
javiereguiluz Jul 20, 2017
2c55b60
Removed the !str tag
javiereguiluz Jul 31, 2017
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18 changes: 18 additions & 0 deletions components/yaml/yaml_format.rst
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Expand Up @@ -300,4 +300,22 @@ Comments can be added in YAML by prefixing them with a hash mark (``#``):
Comments are simply ignored by the YAML parser and do not need to be
indented according to the current level of nesting in a collection.

Explicit Typing
---------------

The YAML specification defines some tags to set the type of any data explicitly:

.. code-block:: yaml

data:
# this value is parsed as a float number (it will be 3.0 instead of 3)
price: !!float 3

# this value is parsed as binary data encoded in base64
picture: !!binary |
R0lGODlhDAAMAIQAAP//9/X
17unp5WZmZgAAAOfn515eXv
Pz7Y6OjuDg4J+fn5OTk6enp
56enmleECcgggoBADs=

.. _YAML: http://yaml.org/