public static GremlinQuery <T> Has <T>(this GremlinQuery <T> g, Expression <Func <T, object> > func,
EpochDateTime value) where T : IVertex
{
var prop = func.Body as MemberExpression;
var f = g.Has(prop.Member.Name.ToCamelCase(), value);
return(new GremlinQuery <T>(f));
}
