---
title: swift-evolution/0519-borrow-inout-types
framework: swift-evolution
role: article
path: swift-evolution/0519-borrow-inout-types
---

# swift-evolution/0519-borrow-inout-types

This document was renamed as part of the evolution process. Please see [SE-0519: `Ref` and `MutableRef` types for safe, first-class references](0519-ref-mutableref-types.md).