Unverified50% confidenceFactExact time
LangGraph 的 State 通常以 Python 的 TypedDict 或 Pydantic 模型定义，配合 Annotated 类型注解支持状态字段的合并策略
1
Sources
50%
Confidence
Long-term
Relevance
7/23/2026
First Seen
Sources
Related Claims
UnverifiedLangGraph's State is typically defined using Python's TypedDict or dataclass, and the Annotated type annotation can be used to specify a reducer function for individual fields.82% similarUnverifiedLangGraph's graph state is defined via TypedDict, and node output is a patch to the state rather than a full replacement, drawing on the Reducer concept from functional programming to support parallel node state merging.75% similarUnverifiedLangGraph采用Reducer模式进行状态更新，通过Python的Annotated类型注解声明，例如messages字段使用add_messages函数作为Reducer64% similarUnverified程序化语义将语言映射为可执行的过程（操作序列），而声明式语义将语言映射为逻辑断言或知识图谱三元组60% similarUnverifiedTypeScript's union types and discriminated union patterns can guarantee the completeness of state transitions at compile time.58% similar
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