Le mardi 21 janvier 2014 à 00:13 -0500, Jeff Bezanson a écrit : > The main reason is that there are many types of numbers, with more > added all the time. And for purposes of hash tables, it is difficult > to ensure that all numerically-equal numbers hash the same. So we had > isequal(), which is used by dictionaries, distinguish numbers of > different types. At this point, we would kind of like to change this > back and make isequal more liberal (although it would still > distinguish -0.0 and 0.0, and so not be strictly more liberal than > ==). However, the hashing problem remains. Any ideas are welcome.
Actually, you changed the behavior of in to use == instead of isequal() after I filed an issue: https://github.com/JuliaLang/julia/issues/4941 With git master as of a few days, this works: julia> x = int32(4) 4 julia> y = int64(4) 4 julia> x == y true julia> x in [y] true That doesn't mean hashing shouldn't be improved, though. Regards
