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identity() — langchain Function Reference

Architecture documentation for the identity() function in passthrough.py from the langchain codebase.

Function python LangChainCore Runnables

Entity Profile

Dependency Diagram

graph TD
  26d05f18_a424_3608_3c54_03b389c843d5["identity()"]
  bcea1aa5_9501_ac10_2917_da94f6a7e0c6["passthrough.py"]
  26d05f18_a424_3608_3c54_03b389c843d5 -->|defined in| bcea1aa5_9501_ac10_2917_da94f6a7e0c6
  style 26d05f18_a424_3608_3c54_03b389c843d5 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/runnables/passthrough.py lines 50–59

def identity(x: Other) -> Other:
    """Identity function.

    Args:
        x: Input.

    Returns:
        Output.
    """
    return x

Domain

Subdomains

Defined In

Source

Frequently Asked Questions

What does identity() do?
identity() is a function in the langchain codebase, defined in libs/core/langchain_core/runnables/passthrough.py.
Where is identity() defined?
identity() is defined in libs/core/langchain_core/runnables/passthrough.py at line 50.

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