with_types() — langchain Function Reference

Architecture documentation for the with_types() function in base.py from the langchain codebase.

Function python LangChainCore Runnables calls 1 called by 1

Entity Profile

LangChainCore→ Runnables→ with_types() — langchain Function Reference

Dependency Diagram

graph TD
  c9c7c02b_0dcd_70ff_1897_383c5e6adb58["with_types()"]
  4a62481c_02cb_a5de_1833_50669d5351a6["Runnable"]
  c9c7c02b_0dcd_70ff_1897_383c5e6adb58 -->|defined in| 4a62481c_02cb_a5de_1833_50669d5351a6
  0f2938ba_950e_46e8_852e_5087c4a53c28["with_types()"]
  0f2938ba_950e_46e8_852e_5087c4a53c28 -->|calls| c9c7c02b_0dcd_70ff_1897_383c5e6adb58
  0f2938ba_950e_46e8_852e_5087c4a53c28["with_types()"]
  c9c7c02b_0dcd_70ff_1897_383c5e6adb58 -->|calls| 0f2938ba_950e_46e8_852e_5087c4a53c28
  style c9c7c02b_0dcd_70ff_1897_383c5e6adb58 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/runnables/base.py lines 1838–1858

    def with_types(
        self,
        *,
        input_type: type[Input] | None = None,
        output_type: type[Output] | None = None,
    ) -> Runnable[Input, Output]:
        """Bind input and output types to a `Runnable`, returning a new `Runnable`.

        Args:
            input_type: The input type to bind to the `Runnable`.
            output_type: The output type to bind to the `Runnable`.

        Returns:
            A new `Runnable` with the types bound.
        """
        return RunnableBinding(
            bound=self,
            custom_input_type=input_type,
            custom_output_type=output_type,
            kwargs={},
        )