From: Jeremy Siek (jsiek_at_[hidden])
Date: 2001-07-03 08:43:07
On Mon, 2 Jul 2001, Douglas Gregor wrote:
> Combiner function objects have a simple syntax: they take two input iterators
> [first, last) and choose their value from the values returned by the
> iterators. The value the combiner returns is the value returned by the slot,
> i.e.,
Quick question: why did you choose to have the user write the loop instead
of calling std::inner_product with user-defined compare and combine
function objects?
> ---
> template<typename T>
> struct max_or_default {
> typedef T result_type;
> template<typename InputIterator>
> typename InputIterator::value_type
> operator()(InputIterator first, InputIterator last) const
> {
> if (first == last)
> return T();
>
> T max = *first++;
> for (; first != last; ++first)
> max = (*first > max)? *first : max;
>
> return max;
> }
> };
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Jeremy Siek www: http://www.lsc.nd.edu/~jsiek/
Ph.D. Candidate, IU B'ton email: jsiek_at_[hidden]
Summer Manager, AT&T Research phone: (973) 360-8185
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