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Added a tip about routes and container parameters #6506

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Added a tip about routes and container parameters #6506

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Added a tip about routes and container parameters
javiereguiluz Apr 21, 2016
cef4a05
Minor reword
javiereguiluz May 3, 2016
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7 changes: 7 additions & 0 deletions book/routing.rst
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Expand Up @@ -808,6 +808,13 @@ Path Parameters
``/es`` *won't match this route*
======= ========================

.. tip::

The route requirements can also include container parameters, as explained
in :doc:`this article </cookbook/routing/service_container_parameters>`.
This comes in handy when the regular expression is very complex and used
time and again in your application.
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"is very complex and used time and again [...]"? I don't really understand what you're trying to tell with that bit.

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"time and again" is an idiom for "repeatedly". In the example of the UUID, the problem is that the regexp is horrible. But in other cases the regexp is simple ... but used in 100 different routes ... so it's convenient to turn it into a parameter. Should I reword this?

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thanks for the info. I've learned a new idiom now.


.. index::
single: Routing; Method requirement

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