Using RunnableLambda in LangChain While exploring LangChain’s composable architecture, I tried out RunnableLambda — a powerful feature that lets you wrap any Python callable into a Runnable. In this ...
In the last part, we explored how LCEL helps connect different components like prompts, models, and parsers into a smooth pipeline. But what if you want to add your own custom logic inside that ...
- `RunnableLambda` 的作用,是把普通 Python 函数变成 Runnable 节点,方便插入到 LCEL 链中。 - 它特别适合做轻量逻辑,例如打印中间结果、字段映射、输入输出结构适配;如果逻辑已经很重 ...