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Introducing a Memory-Safe Successor Language in Large C++ Code Bases - John McCall - CppNow 2023

CppNow · talk · Watch on YouTube

C, C++, Rust, Go & systems languagesProgramming language designSecurity & hacking

What it is

John McCall of Apple's Swift team presents at CppNow 2023 on introducing a memory-safe successor language into large C++ code bases. He argues incremental improvement of C++ hits hard limits and explains Swift's C++ interoperability for gradual migration.

Why Hacker News recommends it

Used as the primary source for Apple's stated plan to make Swift its successor to C++ and for how interop supports gradual transition.

  • 3 people recommended it
  • 3 different months
  • 0 strong recommendations
  • first 2023, last 2025

What HN commenters said

  1. “Finaly a recent gem from CppNow 2023”

    Recent talk on Swift as a memory-safe successor to C++

    pjmlp, 2023-09 · Recommendation · in “Show HN: C-ocoa, Write iOS/macOS apps in any language, with a generated C API”

  2. “There’s a couple great talks on this by folks on the Swift team.”

    One of a couple great talks on Swift's C++ migration story

    mannuch, 2023-12 · Recommendation · in “Memory safety is necessary, not sufficient”

  3. “A few hopefully relevant resources, first a couple of videos”

    Listed among relevant resources on Swift C++ interop

    glhaynes, 2024-06 · Recommendation · in “Swift Static Linux SDK”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: swift, c++, memory safety, language interop, apple

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