On 7/27/14, 1:49 PM, Victor Porton wrote: > http://librdf.org/raptor/api/raptor2-section-iostream.html > tells something about "sinks". > > What is a sink? > > (I am writing thick Ada2012 bindings for Raptor.) In *nix terms, it's /dev/null - it provides an empty iostream (read) or throws away all output (write) Dave