WIP: Template immutable Moprhology for GlialCell

- All enable tests success

Author: jacquemi-bbp

include/morphio/morphology.h

@@ -11,8 +11,6 @@
 
 namespace morphio {
 
-// extern template class TTree<SectionType>;
-// extern template class TTree<GlialSectionType>;
 
 class Morphology: public TTree<Node<CellFamily::NEURON>, Morphology, morphio::mut::Morphology> {
 public:

src/section.cpp

@@ -8,7 +8,7 @@ namespace morphio {
 template <typename Family>
 typename Family::Type Node<Family>::type() const {
     return static_cast<typename Family::Type>(
-        this -> _properties-> template get<Property::SectionType>()[0]
+        this -> _properties-> template get<Property::SectionType>()[this->_id]
         );
 }