code: def target_dir(self, hidex86=False, x64=False):
          r
          return (
              '' if (self.target_cpu == 'x86' and hidex86) else
              r'\x64' if (self.target_cpu == 'amd64' and x64) else
              r'\%s' % self.target_cpu
          )
docs: r"""
          Target platform specific subfolder.
  
          Parameters
          ----------
          hidex86: bool
              return '' and not '\x86' if architecture is x86.
          x64: bool
              return '\x64' and not '\amd64' if architecture is amd64.
  
          Return
          ------
          subfolder: str
              '\current', or '' (see hidex86 parameter)