3 files changed, 10 insertions, 12 deletions
diff --git a/slicer/slicer/modelPartsTypes.cpp b/slicer/slicer/modelPartsTypes.cpp
index a65d2e7..b34bbc8 100644
--- a/slicer/slicer/modelPartsTypes.cpp
+++ b/slicer/slicer/modelPartsTypes.cpp
@@ -271,6 +271,15 @@ namespace Slicer {
 	}
 
 	bool
+	ModelPartForOptionalBase::GetValue(ValueTarget && s)
+	{
+		if (this->hasModel()) {
+			return modelPart->GetValue(std::move(s));
+		}
+		return false;
+	}
+
+	bool
 	ModelPartForOptionalBase::HasValue() const
 	{
 		return this->hasModel() && modelPart->HasValue();
diff --git a/slicer/slicer/modelPartsTypes.h b/slicer/slicer/modelPartsTypes.h
index 430b72f..b30636e 100644
--- a/slicer/slicer/modelPartsTypes.h
+++ b/slicer/slicer/modelPartsTypes.h
@@ -106,6 +106,7 @@ namespace Slicer {
 		bool OnChild(const SubPartHandler &, std::string_view name, const HookFilter & flt,
 				MatchCase matchCase = MatchCase::Yes) override;
 		void SetValue(ValueSource && s) override;
+		bool GetValue(ValueTarget && s) override;
 		[[nodiscard]] bool HasValue() const override;
 		[[nodiscard]] bool IsOptional() const override;
 		[[nodiscard]] const Metadata & GetMetadata() const override;
@@ -123,7 +124,6 @@ namespace Slicer {
 		using element_type = Ice::optional<typename T::element_type>;
 		explicit ModelPartForOptional(element_type * h);
 		void Create() override;
-		bool GetValue(ValueTarget && s) override;
 		[[nodiscard]] ModelPartType GetType() const override;
 
 	protected:
diff --git a/slicer/slicer/modelPartsTypes.impl.h b/slicer/slicer/modelPartsTypes.impl.h
index 3fcc598..0342cb0 100644
--- a/slicer/slicer/modelPartsTypes.impl.h
+++ b/slicer/slicer/modelPartsTypes.impl.h
@@ -324,17 +324,6 @@ namespace Slicer {
 	}
 
 	template<typename T>
-	bool
-	ModelPartForOptional<T>::GetValue(ValueTarget && s)
-	{
-		BOOST_ASSERT(this->Model);
-		if (*this->Model) {
-			return modelPart->GetValue(std::move(s));
-		}
-		return false;
-	}
-
-	template<typename T>
 	ModelPartType
 	ModelPartForOptional<T>::GetType() const
 	{