while() doesn't cast to bool in C. It compares to integer 0 which will become an... | Hacker News

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kevin_thibedeau on July 21, 2014 | parent | context | favorite | on: Which is faster? while(1) {} or while(2) {}

while() doesn't cast to bool in C. It compares to integer 0 which will become an unconditional jump after optimization.

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