Module nodes 

Node abstraction for graph execution.

Nodes are the computational units in a LangGraph. Each node takes state as input and produces updated state as output.

Structs

ChannelWrite

Specification for writing to a channel after node execution

PregelNode

A node in the Pregel execution engine.

Traits

Node

The core trait for graph nodes.

Functions

node_fn

Helper to create a simple node from an async function

simple_node

Helper to create a node that doesn’t use config

Type Aliases

NodeArc

Type alias for arc’d nodes (more efficient for shared ownership)

NodeBox

Type alias for boxed nodes