Module executor 

Query executor definitions and registry.

This module provides the Executor trait for defining query computation logic, the CyclicError type for reporting cyclic dependencies, and the Registry for managing executors.

Defining Executors

An executor defines how to compute the value for a specific query type. Executors are async and can depend on other queries through the TrackedEngine.

Structs

CyclicError

Error indicating that a cyclic query dependency was detected.

Registry

Registry for managing query executors.

Traits

Executor

Defines the computation logic for a specific query type.