virtual int link_count()const=0;
//! Returns the local name of the 'i' linked Value Node
- virtual String link_local_name(int i)const=0;
+ virtual String link_local_name(int i)const;
//! Returns the name of the 'i' linked Value Node
- virtual String link_name(int i)const=0;
+ virtual String link_name(int i)const;
//! Returns the child index Value Node based on the name
- virtual int get_link_index_from_name(const String &name)const=0;
+ virtual int get_link_index_from_name(const String &name)const;
//! Clones a Value Node
virtual ValueNode* clone(const GUID& deriv_guid=GUID())const;