You could also do your weak equality test by taking the sum 1+2+3+4+5, or the pr... | Hacker News

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IIAOPSW 75 days ago | parent | context | favorite | on: Too much discussion of the XOR swap trick

You could also do your weak equality test by taking the sum 1+2+3+4+5, or the product 12345, or any other commutative binary operator.

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