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swift-mirror/stdlib/stdlib.docc/debugging-and-reflection.md
Graham Lee 9ead8781d4 Add .docc catalog to publish stdlib docs on swift.org
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# Debugging and Reflection
Fortify your code with runtime checks, and examine your values' runtime representation.
## Topics
### Printing and Dumping
- ``Swift/print(_:separator:terminator:)``
- ``Swift/print(_:separator:terminator:to:)``
- ``Swift/debugPrint(_:separator:terminator:)``
- ``Swift/debugPrint(_:separator:terminator:to:)``
- ``Swift/dump(_:name:indent:maxDepth:maxItems:)``
- ``Swift/dump(_:to:name:indent:maxDepth:maxItems:)``
### Testing
- ``Swift/assert(_:_:file:line:)``
- ``Swift/assertionFailure(_:file:line:)``
- ``Swift/precondition(_:_:file:line:)``
- ``Swift/preconditionFailure(_:file:line:)``
### Exiting a Program
- ``Swift/fatalError(_:file:line:)``
- ``Swift/Never``
### Querying Runtime Values
- ``Swift/Mirror``
- ``Swift/ObjectIdentifier``
- ``Swift/type(of:)``
- ``Swift/==(_:_:)-(,_)``
- ``Swift/!=(_:_:)-(,_)``
### Customizing Your Type's Reflection
Provide a custom reflection for your types using these protocols.
- ``Swift/CustomReflectable``
- ``Swift/CustomLeafReflectable``
- ``Swift/CustomPlaygroundDisplayConvertible``
- ``Swift/PlaygroundQuickLook``
- ``Swift/DebugDescription()``