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What's Bad About Julia | Jeff Bezanson | JuliaCon 2019

The Julia Programming Language · talk · Watch on YouTube

Programming language designCompilers, interpreters & program analysis

What it is

Julia co-creator Jeff Bezanson candidly lists fundamental problems with the language at JuliaCon 2019, including modularity, types and compiler latency, and how they might be solved.

Why Hacker News recommends it

HN cites it as the language creator's honest account of Julia's weaknesses, useful for anyone evaluating the language.

  • 2 people recommended it
  • 2 different months
  • 0 strong recommendations
  • first 2019, last 2026

What HN commenters said

  1. “A good opportunity to point out this Juliacon 2019 video: What's Bad About Julia ( ) TL;DR: Julia is not that bad.”

    Julia's creator candidly covers the language's weaknesses

    chappi42, 2019-08 · Recommendation · in “Giving up on Julia (2016)”

  2. “There's an excellent video about it by the designer of the language, Jeff Bezanson --”

    Julia designer on compile-time and typechecking problems with type unification

    seertaak, 2026-02 · Recommendation · in “Show HN: A physically-based GPU ray tracer written in Julia”

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

Topics: julia, jeff bezanson, time to first plot, type system, language design

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