.. _`Apply`:

.. _`org.sysess.builtin.apply`:

Apply
~~~~~

.. image:: apply.svg
   :width: 48


Apply Lambda function to Argument.

When the Lambda function has multiple input arguments Apply will do a
partial application producing a new Lambda function with with the argument
bound as the value for the first argument.

When the Lambda function has a single input argument Apply will evaluate
the function to produce a result, taking into account any arguments
previously bound.

*Input ports*:
    :Function: <a> -> <b>

        Lambda Function to Apply
    :Argument: <a>

        Argument

*Output ports*:
    :Output: <b>

        Output



.. automodule:: node_lambda

.. class:: Apply


Example flows
#############

* :download:`LambdaOperations.syx </_examples/Sympathy/Generic/Lambda/LambdaOperations.syx>`