Hello, Looking for a way to use pypy in any manner, I came up with an idea for a deterministic sudoku solver that would use the 'become()' feature of the thunk object space. However, this doesn't work as I expected. The following shell trace illustrates my problem. Is this a bug or otherwise ? Can anybody explain ?
BTW, I am using the pypy 1.0.0 build 41438 windows binary distribution. [subquestion : is pypy-dev appropriate for such a question ?] TIA, Boris Borcic >>>> s = lambda *x : set(x) >>>> s1 = s(1) >>>> s2 = s(2) >>>> s3 = s(3) >>>> s4 = s(4) >>>> s1,s2,s3,s4 (set([1]), set([2]), set([3]), set([4])) >>>> s1.update(s2) >>>> become(s2,s1) >>>> s3.update(s4) >>>> become(s4,s3) >>>> s1,s2,s3,s4 (set([1, 2]), set([1, 2]), set([3, 4]), set([3, 4])) >>>> s4.update(s2) >>>> s4 set([3, 4]) ------------------> expected set([1,2,3,4]) >>>> s2 set([1, 2]) >>>> s4 is s3 True >>>> s3.update(s2) >>>> s4 set([3, 4, 2]) ------------------> expected set([1,2,3,4]) >>>> s3 set([3, 4, 2]) >>>> s1 set([1, 2]) >>>> s1 is s2 True >>>> s3.update(s1) >>>> s4 set([3, 4, 2, 1]) >>>> _______________________________________________ [email protected] http://codespeak.net/mailman/listinfo/pypy-dev
