Hello, I am curious as to the conditions under which an iterator adaptor for permutations results in a savings of time and labor, or a clearer program. Would anybody be so kind as to show an example? Yours Sincerely, Craig Hicks KGK Tokyo Douglas Gregor wrote:

On Monday 18 February 2002 07:21 am, you wrote:

...

I want to use boost.function object as a parameter of class template:

template< function1 F > class foo { // ... };

but VC6 tells me "F : template parameter can never be initialized" why?

The template parameter 'F' is a nontype template parameter. Nontype template parameters can only be of integral type. boost::function1 is a class type, so it cannot be used as the type of a nontype template parameter.

We might be able to suggest an alternative construct if you give us more information about the problem you are trying to solve.

Doug

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