local_increment.h

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#ifndef _RE2C_UTIL_LOCAL_INCREMENT_
#define _RE2C_UTIL_LOCAL_INCREMENT_

namespace re2c
{

template <typename counter_t>
struct local_increment_t
{
    counter_t & counter;
    inline explicit local_increment_t (counter_t & c)
        : counter (++c)
    {}
    inline ~local_increment_t ()
    {
        --counter;
    }
};

} // namespace re2c

#endif // _RE2C_UTIL_LOCAL_INCREMENT_