module libd.io.stream; enum isStream(alias Stream) = is(Stream == struct) && __traits(hasMember, Stream, "write") && __traits(hasMember, Stream, "read") && __traits(hasMember, Stream, "hasData") && __traits(hasMember, Stream, "isOpen") && __traits(hasMember, Stream, "getPosition") && __traits(hasMember, Stream, "setPosition") && __traits(hasMember, Stream, "getSize") && __traits(hasMember, Stream, "canPosition") && __traits(hasMember, Stream, "canWrite") && __traits(hasMember, Stream, "canRead");