"Raw values are rarely enough for debugging; context such as field names, types, and nested structures is crucial for clarity. For instance, Item(id: Long = 100500, content: Package = Box(count: Short = 256, massKg: Float = 9.81)) provides a clearer understanding than Item(100500, Box(256, 9.81))."
"The final result of the implementation derives product representations with field names and type labels, and sum representations by dispatching to the active subtype. This approach ensures that debugging output remains rich and informative."
Raw values alone are insufficient for effective debugging; context such as field names, types, and nested structures is essential. Deriving representations for product and sum types in Scala 3 allows for rich output that aids in debugging. The solution involves deriving product representations with field names and type labels, and sum representations by dispatching to the active subtype. Key components include compile-time known field names and lazy derived representations to avoid recursive loops, ensuring a reliable and generic implementation.
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