[boost] io operations for stl containers?

[Vladimir Prus]

Hi,

after having to output std::vector to stream again and again using custom solution, I started to wonder why we don't have a solution in boost.
Does it makes sense to include operators<< for vectors, sets, etc?

I was thinking about

<boost/io/vector.hpp>
<boost/io/set.hpp>

and so on. There are basically two approaches:

1. Operators use fixed format: bracked list with commas between values for
vector, for example.
2. Manipulators are provided to set brackets and separators.

I had implemented the second approach some time ago, but it turned out that
was overkill. So, 1) looks better now.

Thoughts?

- Volodya





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