More damage to intuition (was RE: [Python-Dev] Comparison of recursive objects)
Greg Ewing
greg@cosc.canterbury.ac.nz
Mon, 22 Jan 2001 13:52:25 +1300 (NZDT)
> Non-equality comparison of pointers is defined if and only if the pointers
> are both addresses in the same contiguous structure
I'm not sure that the proposed alternative (casting both
pointers to ints and comparing the ints) is any better.
Does the C std define the result of doing that to two
unrelated pointers?
Greg Ewing, Computer Science Dept, +--------------------------------------+
University of Canterbury, | A citizen of NewZealandCorp, a |
Christchurch, New Zealand | wholly-owned subsidiary of USA Inc. |
greg@cosc.canterbury.ac.nz +--------------------------------------+