axiom-ownership-conventions

Optimize Swift performance by applying borrowing for read-only access to large value types, consuming to transfer ownership for final use, and inout to control mutation, collectively minimizing unnecessary value type copies and ARC traffic.

In Swift ownership conventions, borrowing provides read-only access to large value types without copying, while consuming transfers ownership for final use or factory patterns, dictating how memory is managed.

Use ~Copyable types in Swift to enforce unique ownership by preventing implicit copies, managed explicitly through the consume operator to transfer ownership and ensure memory safety for noncopyable resources.

Use the consume operator in Swift when transferring ownership for a variable's final use to minimize ARC traffic, whereas inout is for in-place mutation within a scope without changing ownership.

Yes, applying explicit ownership modifiers like borrowing and consuming in Swift directly reduces ARC traffic by eliminating hidden reference count operations during value type passing in performance-sensitive workflows.

The best way to optimize a Swift data-processing pipeline passing large structs is using borrowing to pass data through functions read-only, avoiding expensive memory copies at each stage.