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# XPCOM
These pages contain documentation for Mozilla's Cross-Platform Component Object Model (XPCOM) module. It abstracts core systems functionality for cross-platform use. The component architecture follows the standard COM approach.
## Consuming XPCOM functionality
```{toctree}
:maxdepth: 1
logging
stringguide
refptr
thread-safety
collections
hashtables
hashtables_detailed
iniparser
mozpromise
sorting.md
xpcomutils
```
## Tooling around XPCOM
```{toctree}
:maxdepth: 1
huntingleaks
```
## Writing new XPCOM interfaces/classes
```{toctree}
:maxdepth: 1
xpidl
writing-xpcom-interface
cc-macros
fmt-in-gecko.md
```