parameters: (self)
docstring: Generate the beginning part
docstring_summary: Generate the beginning part
docstring_tokens: Generate the beginning part
function: def begin(self):
          """Generate the beginning part"""
          name = 'BOOST_METAPARSE_V1_CPP11_IMPL_STRING_HPP'
          self.out_f.write('#ifndef {0}\n#define {0}\n'.format(name))
          write_autogen_info(self.out_f)
function_tokens: def begin ( self ) : name = 'BOOST_METAPARSE_V1_CPP11_IMPL_STRING_HPP' self . out_f . write ( '#ifndef {0}\n#define {0}\n' . format ( name ) ) write_autogen_info ( self . out_f )