the former here, since the latter doesnt apply.
Sareen Habeshian
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The two implementations are equivalent if, for all possible inputs, they always produce equal outputs. Unfortunately it is not possible to generate every possible input, so we will have to settle for generating a very large representative sample. This is the domain of property-based testing. To my knowledge fast-check is currently the most mature library for property-based testing in TypeScript and it’s what I’ll use here.