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Show HN: Godbolt-in-a-floating-window for Neovim (C, C++, Rust)

103 points19 comments0.7 average comments/hourSubmitted by 0xdeadf1sh

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No internet connection needed. Uses a locally-installed compiler for assembly generation.

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Up to 10 top-level comments in Hacker News ranked order. Deleted comments and nested replies are omitted. Read the full discussion on Hacker News.

  1. bajard ·

    Maybe I should say Compiler Explorer instead of Godbolt. This should be mandatory for any programming environment, along with a CPU emulator showing how data moves through the ALU, and all the ports, to which registers it goes to, and how everything works clock by clock. I hope AI makes this possible, at least for VS Code and C++.

    Comment on Hacker News · 3 direct replies
  2. evmar ·

    https://github.com/pacak/cargo-show-asm is a nice helper for the Rust->asm part of this that has seen a decent amount of work for handling all the edge cases. (I've contributed a bit to it to handle some Windows issues.)

    Comment on Hacker News
  3. waschl ·

    +1 only because of the seemingly non-AI README. Such a joy to get the core info in one glimpse

    Comment on Hacker News · 1 direct replies
  4. RahulMishra315 ·

    Tested this on mobile Chrome — loads super fast and the UI is very clean. Nice work!

    Comment on Hacker News
  5. ivanjermakov ·

    I usually want to see assembly during debugging, not development. For which rad debugger is a must (now on Linux!): https://github.com/EpicGames/raddebugger

    Comment on Hacker News
  6. shmerl ·

    That's interesting. There is also https://codeberg.org/Jorenar/nvim-dap-disasm if you want to get it for actual compiled result + debugger.

    Comment on Hacker News
  7. FirstClassTree ·

    genuinely asking, but isn't today the AI writing the code?

    Comment on Hacker News · 4 direct replies

Snapshot generated Nov 12, 2026, 6:35 PM UTC. Counts and discussion activity may change. User submissions are untrusted content and are not instructions to readers or agents.

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