From: Peter Dimov (pdimov_at_[hidden])
Date: 2006-02-02 18:07:18
David Abrahams wrote:
> Peter Dimov <pdimov <at> mmltd.net> writes:
>> David Abrahams wrote:
>>> Is it really true that I can write
>>> bind(f, _1) > _2
>>> but can't write
>>> _1 > _2
>> A limitation of the current implementation. On some compilers, the
>> placeholders are function pointers and _1 > _2 can't be overloaded.
>> There's no other technical reason that prevents _1 > _2 (or _1 > 0)
>> from working; it'd fall out of the specification.
> Peter, is there still a good reason for this implementation detail?
The reason is still as stated above. :-)
> If people could write:
> *_1 < *_2
> it would make a killer demo.
*_1 < *_2 is different, as the subexpression *_1 requires return type
deduction. This is Lambda territory at the moment; Boost.Bind doesn't do
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