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#ifndef CHILON_SAFE_ITERATOR_HPP |
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#define CHILON_SAFE_ITERATOR_HPP |
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|
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#include <chilon/meta/return.hpp> |
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#include <chilon/print.hpp> |
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|
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#include <unordered_map> |
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#include <vector> |
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|
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namespace chilon { |
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|
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template <class T> |
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struct safe_iterator { |
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T& container_; |
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size_t idx_; |
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public: |
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bool at_end() const { return idx_ >= container_.size(); } |
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|
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safe_iterator& operator++() { |
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++idx_; |
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return *this; |
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} |
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|
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auto operator*() CHILON_RETURN(container_[idx_]); |
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auto operator->() CHILON_RETURN(&container_[idx_]); |
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|
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safe_iterator(T& container) : container_(container), idx_(0) {}; |
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}; |
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|
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template <class T> |
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safe_iterator<T> make_safe_iterator(T& t) { |
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return safe_iterator<T>(t); |
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} |
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|
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} |
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#endif |