Vitja Makarov, 11.03.2011 15:04:
2011/3/11 Stefan Behnel:
Personally, I think it would be nice to keep up Python's semantics, but when
I implemented this I broke quite some code in Sage (you may have noticed
that the sage-build project in Hudson has been red for a while). There are
things in C and especially in C++ that cannot be easily copied into a
temporary variable in order to make sure they are evaluated before the
following arguments. This is not a problem for Python function calls where
all arguments end up being copied (and often converted) anyway. It is a
problem for C function calls, though.
f(g(a), a.x, h(a))
Why could not this be translated into:
tmp1 = g(a)
tmp2 = a.x
tmp3 = h(a)
f(tmp1, tmp2, tmp3)
See above.
Stefan
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