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virtual dtor
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@@ -31,6 +31,7 @@ namespace util {
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class item {
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public:
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virtual std::string str() const = 0;
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virtual ~item() {};
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};
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class string_item : public item {
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std::string s;
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@@ -40,6 +41,7 @@ namespace util {
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const std::string& value() const { return s; }
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std::string& value() { return s; }
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std::string str() const { return s; }
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virtual ~string_item() {};
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};
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class float_item : public item {
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double d;
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@@ -49,6 +51,7 @@ namespace util {
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const double& value() const { return d; }
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double& value() { return d; }
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std::string str() const { std::stringstream ss; ss << d; return ss.str(); }
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virtual ~float_item() {};
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};
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private:
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std::vector< boost::shared_ptr<item> > items;
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