SUMMARY.md

The Rust Edition Guide

Introduction

What are editions?

• What are editions?
  • Creating a new project
  • Transitioning an existing project to a new edition
  • Advanced migrations

Rust 2015

• Rust 2015

Rust 2018

• Rust 2018
  • Path and module system changes
  • Anonymous trait function parameters deprecated
  • New keywords
  • Method dispatch for raw pointers to inference variables
  • Cargo changes

Rust 2021

• Rust 2021
  • Additions to the prelude
  • Default Cargo feature resolver
  • IntoIterator for arrays
  • Disjoint capture in closures
  • Panic macro consistency
  • Reserving syntax
  • Warnings promoted to errors
  • Or patterns in macro-rules
  • C-string literals

Rust 2024

• Rust 2024 🚧
  • Additions to the prelude
  • Add IntoIterator for Box<[T]>
  • unsafe_op_in_unsafe_fn warning
  • RPIT lifetime capture
  • Disallow references to static mut
  • Cargo: Remove implicit features
  • Cargo: Table and key name consistency
  • Cargo: Reject unused inherited default-features
  • Rustfmt: Combine all delimited exprs as last argument
  • gen keyword
  • Macro fragment specifiers
  • unsafe extern blocks
  • Unsafe attributes