C++ style Stream Operators
Rainer Deyke
root at rainerdeyke.com
Sun Feb 11 15:53:57 EST 2001
"Alex A. Nikiforov" <nikifor at sky.inp.nsk.su> wrote in message
news:9661s1$1ev8j$2 at sky.inp.nsk.su...
> Alex A. Nikiforov <nikifor at sky.inp.nsk.su> wrote:
> > Rainer Deyke <root at rainerdeyke.com> wrote:
> >> class ostream:
> >> def __init__(self, buf):
> >> self.buf = buf
> >> def __lshift__(self, rhs):
> >> self.buf.write(str(rhs))
>
> >> cout = ostream(sys.stdout)
> >> cout << 'Hello world!\n'
>
>
> > what about cin ?
Can't be done. In Python, the expression 'A >> B' cannot assign to 'B'.
> or at least scanf ?
Again, not possible with C-style syntax due to lack of the address-taking
operator ('&'). There might be a function that does something similar
(returning a tuple of values given an input string and a format string); if
there is, I don't know about it.
--
Rainer Deyke (root at rainerdeyke.com)
Shareware computer games - http://rainerdeyke.com
"In ihren Reihen zu stehen heisst unter Feinden zu kaempfen" - Abigor
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