code: def sanitize(configuration, error_fn):
      
      for name, sanitize_fn in _SANITIZERS.items():
          sanitize_fn(configuration, lambda warning, n=name: error_fn(n, warning))
docs: Run all availalbe sanitizers across a configuration.
  
      Arguments:
      configuration - a full project configuration
      error_fn - A function to call if a sanitizer check fails.  The function
                 takes a single argument: a description of the problem; provide
                 specifics if possible, including the componnet, the part of the
                 configuration that presents an issue, etc..