do_while_ Statement

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#### do_while_ Statement

    #include <boost/phoenix/statement/do_while.hpp>

The syntax is:

    do_
    [
        sequenced_statements
    ]
    .while_(conditional_expression)

Again, take note that `while` has a leading dot and a trailing underscore: `.while_`

Example: This code is almost the same as the previous example above with a slight twist in logic.

    std::for_each(c.begin(), c.end(),
        (
            do_
            [
                cout << arg1 << ", "
            ]
            .while_(arg1--),
            cout << val("\n")
        )
    );