slist.h

 
#ifndef BACKENDS_TOFINO_BF_ASM_SLIST_H_
#define BACKENDS_TOFINO_BF_ASM_SLIST_H_
 
template <class T>
class slist {
    const slist *next;
    T value;
 
 public:
    explicit slist(T v) : next(nullptr), value(v) {}
    slist(T v, const slist *n) : next(n), value(v) {}
    typedef T value_type;
    class iterator : public std::iterator<std::forward_iterator_tag, T> {
        friend class slist;
        const slist *ptr;
        iterator() : ptr(nullptr) {}
        explicit iterator(const slist *p) : ptr(p) {}
 
     public:
        iterator &operator++() {
            ptr = ptr->next;
            return *this;
        }
        bool operator==(const iterator &a) const { return ptr == a.ptr; }
        bool operator!=(const iterator &a) const { return ptr != a.ptr; }
        const T &operator*() const { return ptr->value; }
        const T *operator->() const { return &ptr->value; }
    };
    typedef iterator const_iterator;
 
    iterator begin() const { return iterator(this); }
    iterator end() const { return iterator(); }
};
 
#endif /* BACKENDS_TOFINO_BF_ASM_SLIST_H_ */