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A comment on Low Level Bit Hacks You Absolutely Must Know. Parent comment

Re:Low Level Bit Hacks You Absolutely Must Know by scott_s on Tuesday June 30, 2009 @05:16PM (#681599)
You wouldn't, but let's say you wrote a function with the signature

  fast_swap_values(unsigned long*, unsigned long*)
Users of the function could accidentally pass in the same addresses.
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