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															+#ifndef QLOW_SEM_CAST_H 
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															+#define QLOW_SEM_CAST_H 
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															+ 
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															+#include <memory> 
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															+ 
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															+namespace qlow 
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															+{ 
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															+    namespace sem 
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															+    { 
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															+        // forward declaration 
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															+        class Type; 
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															+         
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															+        class Cast; 
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															+    } 
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															+} 
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															+class qlow::sem::Cast 
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															+{ 
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															+public: 
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															+    std::shared_ptr<Type> from; 
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															+    std::shared_ptr<Type> to; 
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															+     
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															+    bool isExplicit; 
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															+     
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															+    inline Cast(std::shared_ptr<Type> from, std::shared_ptr<Type> to) : 
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															+        from{ std::move(from) }, 
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															+        to{ std::move(to) }, 
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															+        isExplicit{ true } 
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															+    { 
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															+    } 
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															+     
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															+    inline Cast(std::shared_ptr<Type> from, std::shared_ptr<Type> to, 
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															+                bool isExplicit) : 
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															+        from{ std::move(from) }, 
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															+        to{ std::move(to) }, 
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															+        isExplicit{ isExplicit } 
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															+    { 
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															+    } 
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															+}; 
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															+#endif // QLOW_SEM_CAST_H 
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