LangChain Reference home pageLangChain ReferenceLangChain Reference
  • GitHub
  • Main Docs
Deep Agents
LangChain
LangGraph
Integrations
LangSmith
  • Overview
    • Overview
    • Caches
    • Callbacks
    • Documents
    • Document loaders
    • Embeddings
    • Exceptions
    • Language models
    • Serialization
    • Output parsers
    • Prompts
    • Rate limiters
    • Retrievers
    • Runnables
    • Utilities
    • Vector stores
    MCP Adapters
    Standard Tests
    Text Splitters
    ⌘I

    LangChain Assistant

    Ask a question to get started

    Enter to send•Shift+Enter new line

    Menu

    OverviewCachesCallbacksDocumentsDocument loadersEmbeddingsExceptionsLanguage modelsSerializationOutput parsersPromptsRate limitersRetrieversRunnablesUtilitiesVector stores
    MCP Adapters
    Standard Tests
    Text Splitters
    Language
    Theme
    Pythonlangchain-coreutils_mergemerge_obj
    Function●Since v0.2

    merge_obj

    Merge two objects.

    It handles specific scenarios where a key exists in both dictionaries but has a value of None in 'left'. In such cases, the method uses the value from 'right' for that key in the merged dictionary.

    Copy
    merge_obj(
        left: Any,
        right: Any,
    ) -> Any

    Parameters

    NameTypeDescription
    left*Any

    The first object to merge.

    right*Any

    The other object to merge.

    View source on GitHub