text: """module for assigning operator directly modifier."""
  from __future__ import annotations
  from typing import TYPE_CHECKING
  from .modifier import Modifier
  from ..fdef import Fdef
  if TYPE_CHECKING:
      from ..ctx import Ctx
  
  
  class AsopdModifier(Modifier):
      """Assigning operator directly modifier assigns the operator to the
      current field directly.
      """
  
      def define(self, fdef: Fdef) -> None:
          fdef._requires_operator_assign = True
  
      def validate(self, ctx: Ctx) -> None:
          if ctx.holder.is_new or ctx.keypathr[-1] in ctx.holder.modified_fields:
              field = ctx.holder.__class__.cdef.field_named(ctx.keypathr[-1])
              fidname = ctx.holder.__class__.cdef.jconf.ref_key_encoding_strategy(field)
              if getattr(ctx.holder, fidname) is None:
                  ctx.raise_vexc('no operator being assigned')
  