content: #  Copyright (c) ZenML GmbH 2025. All Rights Reserved.
  #
  #  Licensed under the Apache License, Version 2.0 (the "License");
  #  you may not use this file except in compliance with the License.
  #  You may obtain a copy of the License at:
  #
  #       https://www.apache.org/licenses/LICENSE-2.0
  #
  #  Unless required by applicable law or agreed to in writing, software
  #  distributed under the License is distributed on an "AS IS" BASIS,
  #  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
  #  or implied. See the License for the specific language governing
  #  permissions and limitations under the License.
  """Dynamic pipeline execution utilities."""
  
  from typing import (
      Generic,
      TypeVar,
  )
  
  T = TypeVar("T")
  
  
  class _Unmapped(Generic[T]):
      """Wrapper class for inputs that should not be mapped over."""
  
      def __init__(self, value: T):
          """Initialize the wrapper.
  
          Args:
              value: The value to wrap.
          """
          self.value = value
  
  
  def unmapped(value: T) -> _Unmapped[T]:
      """Helper function to pass an input without mapping over it.
  
      Wrap any step input with this function and then pass it to `step.map(...)`
      to pass the full value to all steps.
  
      Args:
          value: The value to wrap.
  
      Returns:
          The wrapped value.
      """
      return _Unmapped(value)
  