>>>>> "MH" == Mark Hammond <MHammond at skippinet.com.au> writes:
MH> OTOH, my gut tells me this is better - that an implicit
MH> conversion to the seperator type be performed.
Right now, the implementation of join uses PyObject_Str() to str-ify
the elements in the sequence. I can't remember, but in our Unicode
worldview doesn't PyObject_Str() return a narrowed string if it can,
and raise an exception if not? So maybe narrow-string's join
shouldn't be doing it this way because that'll autoconvert to the
separator's type, which breaks the symmetry.
OTOH, we could promote sep to the type of sequence[0] and forward the
call to it's join if it were a widestring. That should retain the
symmetry.
-Barry
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