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Graham Lee 9ead8781d4 Add .docc catalog to publish stdlib docs on swift.org

Co-authored-by: Alex Martini <amartini@apple.com>
Co-authored-by: Graham Lee <glee23@apple.com>
Co-authored-by: Chris Adamson <cadamson@apple.com>
Co-authored-by: Kirby Turner <kirby_turner@apple.com>
Co-authored-by: Paris Pinkney <ppinkney@apple.com>
Co-authored-by: Dave Spector <dspector@apple.com>
Co-authored-by: Sofia Rodriguez Morales <sofia_rodriguez@apple.com>
Co-authored-by: Ethan Kusters <ekusters@apple.com>
Co-authored-by: Goli Mohammadi <g_mohammadi@apple.com>
Co-authored-by: Adora Vaz <a_vaz@apple.com>
Co-authored-by: David Rönnqvist <ronnqvist@apple.com>
Co-authored-by: Nate Merseth Cook <natecook@apple.com>
Co-authored-by: Susan Conant <susan_c@apple.com>

2026-04-10 10:04:56 -04:00

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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()

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