PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A opCast(bool) operator present in struct is called automatically in a if(x), but the same is not true if x is a class.
http://www.w3.org/ns/prov#wasQuotedFrom
  • dlang.org