code: def _generate_struct_cstor_signature(self, struct):
          
          fields = struct.all_fields
          self.emit(comment_prefix)
          description_str = 'Full constructor for the struct (exposes all instance variables).'
          self.emit_wrapped_text(description_str, prefix=comment_prefix)
          signature = fmt_signature(
              func=self._cstor_name_from_fields(fields),
              args=self._cstor_args_from_fields(fields, is_struct=True),
              return_type='instancetype')
          self.emit(comment_prefix)
          for field in struct.all_fields:
              doc = self.process_doc(field.doc,
                                     self._docf) if field.doc else undocumented
              self.emit_wrapped_text(
                  '@param {} {}'.format(fmt_var(field.name), doc),
                  prefix=comment_prefix)
          if struct.all_fields:
              self.emit(comment_prefix)
          self.emit_wrapped_text(
              '@return An initialized instance.', prefix=comment_prefix)
          self.emit(comment_prefix)
          self.emit('{};'.format(signature))
  
          self.emit()
docs: Emits struct standard constructor signature to be used in the struct's header file.