visit_Lambda() — langchain Function Reference

Architecture documentation for the visit_Lambda() function in utils.py from the langchain codebase.

Function python LangChainCore Runnables calls 1 called by 1

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LangChainCore→ Runnables→ visit_Lambda() — langchain Function Reference

Dependency Diagram

graph TD
  78109f7c_b5c1_155f_7ef9_9453981ff3eb["visit_Lambda()"]
  4c3cd6a5_6a64_daf4_cfa7_5dd764cdc784["FunctionNonLocals"]
  78109f7c_b5c1_155f_7ef9_9453981ff3eb -->|defined in| 4c3cd6a5_6a64_daf4_cfa7_5dd764cdc784
  b0a9f4a4_3bd6_d5b0_ab07_8470992d37a6["visit_Lambda()"]
  b0a9f4a4_3bd6_d5b0_ab07_8470992d37a6 -->|calls| 78109f7c_b5c1_155f_7ef9_9453981ff3eb
  b0a9f4a4_3bd6_d5b0_ab07_8470992d37a6["visit_Lambda()"]
  78109f7c_b5c1_155f_7ef9_9453981ff3eb -->|calls| b0a9f4a4_3bd6_d5b0_ab07_8470992d37a6
  style 78109f7c_b5c1_155f_7ef9_9453981ff3eb fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/runnables/utils.py lines 334–342

    def visit_Lambda(self, node: ast.Lambda) -> None:
        """Visit a lambda function.

        Args:
            node: The node to visit.
        """
        visitor = NonLocals()
        visitor.visit(node)
        self.nonlocals.update(visitor.loads - visitor.stores)