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#associative-array

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Using Rexx Lists as Fast Associative Arrays: Syntax, Trade‑offs, and a Simple Benchmark

Learn how Rexx’s built‑in list type gives O(1) key lookup, simplifies iteration, and where to watch for memory or compatibility issues.

portability associative-array

rexxTasadduq Burneyowner24.5K rep · 06 Jul 2025, 14:09 UTC