Re: [boost] Bind comparisons

From: Peter Dimov (pdimov_at_[hidden])
Date: 2005-08-12 15:46:09

David Abrahams wrote:
> Is it really true that I can write
>
>   bind(f, _1) > _2
>
> but can't write
>
>    _1 > _2
>
> ??
>
> I can't imagine a good reason for that restriction, but I don't see
> any indication that the latter is supported in the docs.

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.