Re: [Boost-users] PP: 2 to the power x macro

2010/2/4 Ravi

On Tuesday 02 February 2010 21:29:40 Hicham Mouline wrote:

...

I can't find this left shift operator in Boost.PP. Do you mean << ? But then how do I evaluate it in the context of the preprocessor?

Unless I have misunderstood your question (very likely), isn't this what you need?

#define POWER2(a) (1<

How about this? // Must expand to "int foo8;", but it does not. int BOOST_PP_CAT(foo, POWER2(3)); Roman Perepelitsa.