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-rw-r--r--ingen/client/GraphModel.hpp8
1 files changed, 4 insertions, 4 deletions
diff --git a/ingen/client/GraphModel.hpp b/ingen/client/GraphModel.hpp
index 8713b6a9..c3339048 100644
--- a/ingen/client/GraphModel.hpp
+++ b/ingen/client/GraphModel.hpp
@@ -64,11 +64,11 @@ private:
{}
void clear() override;
- void add_child(SPtr<ObjectModel> c) override;
- bool remove_child(SPtr<ObjectModel> o) override;
- void remove_arcs_on(SPtr<PortModel> p);
+ void add_child(const SPtr<ObjectModel>& c) override;
+ bool remove_child(const SPtr<ObjectModel>& o) override;
+ void remove_arcs_on(const SPtr<PortModel>& p);
- void add_arc(SPtr<ArcModel> arc);
+ void add_arc(const SPtr<ArcModel>& arc);
void remove_arc(const ingen::Node* tail,
const ingen::Node* head);
};