On 04Jul2012 19:39, Evan Driscoll <drisc...@cs.wisc.edu> wrote: | On 7/4/2012 14:37, Paul Rubin wrote: | > I just came across this (https://gist.github.com/1208215): | > | > import sys | > import ctypes | > pyint_p = ctypes.POINTER(ctypes.c_byte*sys.getsizeof(5)) | > five = ctypes.cast(id(5), pyint_p) | > print(2 + 2 == 5) # False | > five.contents[five.contents[:].index(5)] = 4 | > print(2 + 2 == 5) # True (must be sufficiently large values of 2 there...) | > | > Heh. The author is apparently anonymous, I guess for good reason. | | Probably just nostalgic for old Fortran, which, supposedly, allowed you | to change the values of literals by passing them to a function by | reference and then modifying the value.
Yeah, I was thinking that too. Because all parameters were pass-by-reference in early fortran IIRC. You could, for example, set pi to 3. -- Cameron Simpson <c...@zip.com.au> If I have seen farther than others, it is because I was standing on the shoulders of giants. - Isaac Newton If I have not seen as far as others, it is because giants were standing on my shoulders. - Hal Abelson In computer science, we stand on each other's feet. - Brian K. Reed -- http://mail.python.org/mailman/listinfo/python-list
