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AI-generatedElvis operator (?:) versus explicit null check for missing map key defaults in Groovy 3.x
When assigning default values to potentially absent map entries in Groovy, developers must choose between the Elvis operator (?:) and an explicit null check. The goal is to reliably produce a fallback value when a map key is missing or explicitly set to null, without triggering unintended truthy‑false evaluation. Groovy 3.x treats absent map keys as null for
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