Module domain_patterns::query

Query module holds traits relevant to representing query handlers in a CQRS architecture.

Traits

HandlesQuery	HandlesQuery is a trait that you apply to a struct, which knows how to handle a query. A query is a struct or enum that implements the Query trait, and is a parameter object that we can use to construct a custom query.
Query	Query is a simple marker trait that should be placed on query types which we plan to handle with a QueryHandler (a struct that implements HandlesQuery)