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Index of /wp-content/themes/salient/sym404/root/sys/class/input/input5/input5::capslock/subsystem/input1::scrolllock/device/power
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.. _concrete:
**********************
Concrete Objects Layer
**********************
The functions in this chapter are specific to certain Python object types.
Passing them an object of the wrong type is not a good idea; if you receive an
object from a Python program and you are not sure that it has the right type,
you must perform a type check first; for example, to check that an object is a
dictionary, use :c:func:`PyDict_Check`. The chapter is structured like the
"family tree" of Python object types.
.. warning::
While the functions described in this chapter carefully check the type of the
objects which are passed in, many of them do not check for *NULL* being passed
instead of a valid object. Allowing *NULL* to be passed in can cause memory
access violations and immediate termination of the interpreter.
.. _fundamental:
Fundamental Objects
===================
This section describes Python type objects and the singleton object ``None``.
.. toctree::
type.rst
none.rst
.. _numericobjects:
Numeric Objects
===============
.. index:: object: numeric
.. toctree::
int.rst
bool.rst
long.rst
float.rst
complex.rst
.. _sequenceobjects:
Sequence Objects
================
.. index:: object: sequence
Generic operations on sequence objects were discussed in the previous chapter;
this section deals with the specific kinds of se