On Sat, 30 May 2015 05:56 pm, Peter Otten wrote: > The following modification of the collections.Counter implementation > > https://hg.python.org/cpython/rev/fe4efc0032b5 > > was just checked in with the line > > result[elem] = 0 - count > > Does this have an advantage over the obvious > > result[elem] = -count > > ?
py> class Thingy: ... def __neg__(self): ... return [1, 2, 3, 4] ... py> -Thingy() [1, 2, 3, 4] py> 0 - Thingy() Traceback (most recent call last): File "<stdin>", line 1, in <module> TypeError: unsupported operand type(s) for -: 'int' and 'Thingy' -- Steven -- https://mail.python.org/mailman/listinfo/python-list