About: http://webisa.webdatacommons.org/164296861

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	If private were virtual, then it that would kill inlining and any other optimization relying on knowing the body of the function or anything else which gets affected by a function being virtual - including the cost of the vtable lookup.
http://www.w3.org/ns/prov#wasQuotedFrom	digitalmars.com