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Pointers Are Complicated, or What’s in a Byte?

www.ralfj.de Essays & writing Essays & articles Software engineering Candidate
Screenshot of www.ralfj.de captured 2026-07-20
Page preview · captured 2026-07-20

Resurfaced independently across 3 calendar years, with breakout response in 2 of them.

submissions
3
submitters
3
observed span
2018–2025
peak thread · 61 comments
119 pts
latest 20+ return · 2020-09-04
85 pts

Submission timeline

2007–2026

One slot for every year since HN launched. Height is that year's peak points; orange marks a 100+ point or 50+ comment breakout. Select a bar to open its strongest thread.

First comments on top threads

HN comment order

Note that this is the same author who worked on formally verifying Rust's type system via RustBelt (https://www.ralfj.de/blog/2017/07/08/rustbelt.html), which has managed to find a few bugs in the standard library (https://www.ralfj.de/blog/2017/06/09/mutexguard-sync.html and https://www.ralfj.de/blog/2018/07/13/arc-synchronization.htm...), and also hopefully provides (by the nature of formal proofs) some small comfort regarding the quantity of other latent bugs. :P

kibwen·119-point thread·

Also potentially relevant: Ralf, or I should say, Dr. Jung, recently completed a PhD, which I'm sure will have a lot more fascinating material for those interested in this paper. I'm hoping to find time myself to read it, but I seem to spend too much time on sites like Hacker News... https://www.ralfj.de/blog/2020/09/03/phd.html

The first top-level comment from each of the four biggest threads, in HN’s own order. Excerpts are shortened; open a comment for full context.

Breakout years
2

100+ points or 50+ comments

Total points
207

reference only — not used in Hall rules or ranking

Total comments
111

reference only — not used in Hall rules or ranking

Every submission

DateTitle as submittedByPointsComments
2018-07-24Pointers Are Complicated, or What’s in a Byte?First breakout · Best threadkibwen11961
2020-09-04Pointers Are Complicated, Or: What's in a Byte? (2018)Latest 20+ point returnpcr9103038550
2025-07-25Pointers Are Complicated, Or: What's in a Byte?thunderbong30