6 files changed, 11 insertions, 11 deletions
diff --git a/slicer/db/sqlSelectDeserializer.cpp b/slicer/db/sqlSelectDeserializer.cpp
index 8982958..4ecf410 100644
--- a/slicer/db/sqlSelectDeserializer.cpp
+++ b/slicer/db/sqlSelectDeserializer.cpp
@@ -4,7 +4,7 @@
 #include <sqlExceptions.h>
 
 namespace Slicer {
-	SqlSelectDeserializer::SqlSelectDeserializer(DB::SelectCommand * c, Ice::optional<std::string> tc) :
+	SqlSelectDeserializer::SqlSelectDeserializer(DB::SelectCommand * c, std::optional<std::string> tc) :
 		cmd(c), columnCount(0), typeIdColName(std::move(tc))
 	{
 	}
diff --git a/slicer/db/sqlSelectDeserializer.h b/slicer/db/sqlSelectDeserializer.h
index 32961e9..05f1c06 100644
--- a/slicer/db/sqlSelectDeserializer.h
+++ b/slicer/db/sqlSelectDeserializer.h
@@ -9,7 +9,7 @@ namespace Slicer {
 	class DLL_PUBLIC SqlSelectDeserializer : public Slicer::Deserializer {
 	public:
 		explicit SqlSelectDeserializer(
-				DB::SelectCommand *, Ice::optional<std::string> typeIdCol = Ice::optional<std::string>());
+				DB::SelectCommand *, std::optional<std::string> typeIdCol = std::optional<std::string>());
 
 		void Deserialize(Slicer::ModelPartForRootPtr) override;
 
@@ -21,8 +21,8 @@ namespace Slicer {
 
 		DB::SelectCommand * cmd;
 		unsigned int columnCount;
-		Ice::optional<std::string> typeIdColName;
-		Ice::optional<unsigned int> typeIdColIdx;
+		std::optional<std::string> typeIdColName;
+		std::optional<unsigned int> typeIdColIdx;
 	};
 }
 
diff --git a/slicer/slicer/modelParts.cpp b/slicer/slicer/modelParts.cpp
index a6e191a..2dd8df5 100644
--- a/slicer/slicer/modelParts.cpp
+++ b/slicer/slicer/modelParts.cpp
@@ -24,10 +24,10 @@ namespace Slicer {
 		return TypeId();
 	}
 
-	Ice::optional<std::string>
+	std::optional<std::string>
 	ModelPart::GetTypeIdProperty() const
 	{
-		return Ice::optional<std::string>();
+		return {};
 	}
 
 	void
diff --git a/slicer/slicer/modelParts.h b/slicer/slicer/modelParts.h
index 50ae427..305e073 100644
--- a/slicer/slicer/modelParts.h
+++ b/slicer/slicer/modelParts.h
@@ -2,10 +2,10 @@
 #define SLICER_MODELPARTS_H
 
 #include <Ice/InputStream.h>
-#include <Ice/Optional.h>
 #include <Ice/OutputStream.h>
 #include <functional>
 #include <list>
+#include <optional>
 #include <stdexcept>
 #include <vector>
 #include <visibility.h>
@@ -66,7 +66,7 @@ namespace Slicer {
 	using ModelPartPtr = std::shared_ptr<ModelPart>;
 	using ModelPartForRootPtr = std::shared_ptr<ModelPartForRootBase>;
 	using HookCommonPtr = std::unique_ptr<HookCommon>;
-	using TypeId = Ice::optional<std::string>;
+	using TypeId = std::optional<std::string>;
 	using ChildHandler = std::function<void(const std::string &, ModelPartPtr, const HookCommon *)>;
 	using ClassRef = std::function<ModelPartPtr(void *)>;
 	using HookFilter = std::function<bool(const HookCommon *)>;
@@ -148,7 +148,7 @@ namespace Slicer {
 				= 0;
 		virtual ModelPartPtr GetSubclassModelPart(const std::string &);
 		virtual TypeId GetTypeId() const;
-		virtual Ice::optional<std::string> GetTypeIdProperty() const;
+		virtual std::optional<std::string> GetTypeIdProperty() const;
 		virtual ModelPartType GetType() const = 0;
 		virtual void Create();
 		virtual void Complete();
diff --git a/slicer/slicer/modelPartsTypes.h b/slicer/slicer/modelPartsTypes.h
index 062d9c2..06458d1 100644
--- a/slicer/slicer/modelPartsTypes.h
+++ b/slicer/slicer/modelPartsTypes.h
@@ -189,7 +189,7 @@ namespace Slicer {
 		std::string getTypeId(
 				typename std::enable_if<!std::is_base_of<Ice::Object, dummy>::value>::type * = nullptr) const;
 
-		[[nodiscard]] Ice::optional<std::string> GetTypeIdProperty() const override;
+		[[nodiscard]] std::optional<std::string> GetTypeIdProperty() const override;
 
 		static const std::string typeIdProperty;
 		static const std::string * className;
diff --git a/slicer/slicer/modelPartsTypes.impl.h b/slicer/slicer/modelPartsTypes.impl.h
index b79a141..eaab54b 100644
--- a/slicer/slicer/modelPartsTypes.impl.h
+++ b/slicer/slicer/modelPartsTypes.impl.h
@@ -577,7 +577,7 @@ namespace Slicer {
 	}
 
 	template<typename T>
-	Ice::optional<std::string>
+	std::optional<std::string>
 	ModelPartForClass<T>::GetTypeIdProperty() const
 	{
 		return typeIdProperty;