Module node 

Node definition for LangGraph

Nodes are the execution units in a graph. Each node receives the current state and returns a state update.

Structs

AsyncNode

AsyncNode - Simple async node wrapper

FunctionNode

Function-based node implementation

NodeConfig

Node configuration

SentinelNode

Placeholder node for entry/exit points

SyncNode

Simple sync node wrapper

Traits

AsyncFn

AsyncFn trait for simpler async node creation

GraphNode

Graph Node trait

Type Aliases

AsyncNodeFn

Async node function type (boxed future)

NodeResult

Node execution result (alias for clarity)