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[94f52a]: / safe_iterator.hpp Maximize Restore History

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#ifndef CHILON_SAFE_ITERATOR_HPP
#define CHILON_SAFE_ITERATOR_HPP

#include <chilon/meta/return.hpp>
#include <chilon/print.hpp>

#include <unordered_map>
#include <vector>

namespace chilon {

template <class T>
struct safe_iterator {
    T&  container_;
    size_t idx_;
  public:
    bool at_end() const { return idx_ >= container_.size(); }

    safe_iterator& operator++() {
        ++idx_;
        return *this;
    }

    auto operator*() CHILON_RETURN(container_[idx_]);
    auto operator->() CHILON_RETURN(&container_[idx_]);

    safe_iterator(T& container) : container_(container), idx_(0) {};
};

template <class T>
safe_iterator<T> make_safe_iterator(T& t) {
    return safe_iterator<T>(t);
}

}

#endif

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[94f52a]: / safe_iterator.hpp Maximize Restore History

38 lines (27 with data), 717 Bytes