anchor.diff:      }
   #endif
   }
  +
  +@lexer::namespace{cql3}
   
   @lexer::traits {
       class CqlLexer;
  
positive.code: /*
   * USE <KEYSPACE>;
   */
  useStatement returns [::shared_ptr<cql3::statements::use_statement> stmt]
      : K_USE ks=keyspaceName { $stmt = ::make_shared<cql3::statements::use_statement>(ks); }
      ;
  
  #if 0
  
negative.code:     language = Cpp;
  }
  
  @parser::namespace{cql3}
  
  @parser::includes {
  #include "cql3/statements/use_statement.hh"
  #include "cql3/cf_name.hh"
  #include "core/sstring.hh"
  #include "CqlLexer.hpp"
  }
  
  @parser::traits {
  using namespace cql3;
  using namespace cql3::statements;
  }
  
  @header {
  