/* @file pad.hpp */

#pragma once

#include <iostream>

namespace xo {
    /* use:
     *   ostream os = ...;
     *   os << ":" << pad(8) << ":"
     *
     * writes
     *   :        :
     *
     * on os
     */
    class pad_impl {
    public:
        pad_impl(int32_t n) : n_pad_(n) {}

        uint32_t n_pad() const { return n_pad_; }

    private:
        uint32_t n_pad_ = 0;
    }; /*pad_impl*/

    inline pad_impl
    pad(uint32_t n) { return pad_impl(n); }

    inline std::ostream &
    operator<<(std::ostream &s,
               pad_impl const &pad)
    {
        for(uint32_t i=0; i<pad.n_pad(); ++i)
            s << " ";
        return s;
    } /*operator<<*/

} /*namespace xo*/

/* end pad.hpp */