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Comment by postalrat | Hacker News Reader

    add(a, b) => a == 1 && b == 1 ? 1 : a + b

Kinda disappointing your test would take so long to run and still catch a simple error.

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> your test would take so long to run

I think GP's test would probably be implemented with property testing (or even better, symbolic execution). It wouldn't necessarily take super long to run.

How difficult would it be to write a proper test with one of those systems for something more complex when even this trivial example doesn't have solution yet?

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