Perhaps it's cheaper to just get the conversion and length check out of the way ... | Hacker News

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		turndown on June 30, 2021 \| parent \| context \| favorite \| on: Learn by reading code: Python standard library des... Perhaps it's cheaper to just get the conversion and length check out of the way rather than have to execute _sum and find out from checking T.

abecedarius on June 30, 2021 [–]

But the path where the cost of _sum is extra is the error path; plus that'll end up being 0 iterations anyway.

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