edge attributes as callables, transformation functions and refactoring
edge attributes as callables, transformation functions and refactoring

dbs/rdflib,dbs/rdflib,avorio/rdflib,armandobs14/rdflib,yingerj/rdflib,RDFLib/rdflib,dbs/rdflib,armandobs14/rdflib,avorio/rdflib,ssssam/rdflib,ssssam/rdflib,armandobs14/rdflib,yingerj/rdflib,RDFLib/rdflib,dbs/rdflib,marma/rdflib,avorio/rdflib,avorio/rdflib,marma/rdflib,marma/rdflib,yingerj/rdflib,RDFLib/rdflib,ssssam/rdflib,ssssam/rdflib,marma/rdflib,armandobs14/rdflib,yingerj/rdflib,RDFLib/rdflib