Object Implementation Support
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This chapter describes the functions, types, and macros used when
defining new object types.

* Allocating Objects on the Heap

  * Deprecated aliases

* Object Life Cycle

  * Life Events

  * Cyclic Isolate Destruction

  * Functions

* Common Object Structures

  * Base object types and macros

  * Implementing functions and methods

  * Accessing attributes of extension types

    * Member flags

    * Member types

    * Defining Getters and Setters

* Type Object Structures

  * Quick Reference

    * "tp slots"

    * sub-slots

    * slot typedefs

  * PyTypeObject Definition

  * PyObject Slots

  * PyVarObject Slots

  * PyTypeObject Slots

  * Static Types

  * Heap Types

  * Number Object Structures

  * Mapping Object Structures

  * Sequence Object Structures

  * Buffer Object Structures

  * Async Object Structures

  * Slot Type typedefs

  * Examples

* Supporting Cyclic Garbage Collection

  * Controlling the Garbage Collector State

  * Querying Garbage Collector State
