I am about to write some code which relies on the following:
x = (1,2,3)
y = (1,2,3)
d = {}
d[x] = 1
d[y] = 1
assert d.keys()[0] is y
In other words, when you do d[k] = v it replaces both v *and* k in the
dict. I couldn't find it documented anywhere but the source. I
submitted a doc patch which enshrines that behavior, but since Guido
doesn't always know what's in the doc I wanted to make sure it was
considered reasonable.
Anyone want to tell me it's a bad idea? It seems like the more useful
of the two possible behaviors to me.
--
Dave Abrahams
Boost Consulting
www.boost-consulting.com
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