David Koloski
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david.kolo.ski
David Koloski
@david.kolo.ski
68 followers 98 following 220 posts
Fuchsia at Google. Previously Robot Entertainment, Vicarious Visions. Author of http://rkyv.org. he/him
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david.kolo.ski
A screenshot of the Steam achievements for Hollow Knight: Silksong. It says "You've unlocked all achievements! 52/52 (100%)"
October 12, 2025 at 10:22 PM
david.kolo.ski
A picture of a chimpanzee with the article title "We Taught This Chimpanzee to Understand Rust-C++ Interop and He Hanged Himself".
September 2, 2025 at 9:44 PM
david.kolo.ski
this kind of smart, walkable, mixed-use urbanism is illegal to build in most American cities
A screenshot of Whoville from the live-action 2000 film starring Jim Carrey
July 30, 2025 at 2:10 PM
david.kolo.ski
An edited poster from Portal 2: "Know your paradoxes! In the event of rogue AI: 1. stand still 2. remain calm 3. scream: - "Interesting fact: cats sleep for most of their lives." - "Remember always save at least 20% of your earnings for future investments." - "Could the answer possibly be around 175?"
July 29, 2025 at 6:17 PM
david.kolo.ski
this part was me! github.com/ferrilab/bit...
A quote from the Tree Borrows paper, talking about test cases which failed under tree borrows: "`bitvec` accounted for one test, for which there was already a community-developed fix.".
July 9, 2025 at 2:30 PM
david.kolo.ski
you can make very nice error messages with rustc's diagnostic attributes and a little macro magic
June 23, 2025 at 1:06 PM
david.kolo.ski
doing some performance work in the gamecube aisle
May 8, 2025 at 10:40 PM
david.kolo.ski
Bugs bunny wearing a suit next to the words "i wish all generate ninja a very migrate to bazel"
December 6, 2024 at 3:24 AM
david.kolo.ski
working through crafting interpreters and couldn't resist making some nicer errors
A powershell terminal screenshot which demonstrates colored and nicely formatted error reporting. Verbatim: PS C:\Users\David\Projects\rox> cargo run Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s Running `target\debug\rox.exe` > "pudding" * 100 error: unexpected non-number value | 1 | "pudding" * 100 | ^^^^^^^^^ expected this to be a number, but it was '"pudding"' > 4 + 5 + "pudding" error: unexpected non-number value | 1 | 4 + 5 + "pudding" | ^^^^^^^^^ expected this to be a number, but it was '"pudding"' > ^D
November 3, 2024 at 9:05 AM
david.kolo.ski
Lois from family guy looking at a pill bottle labeled “a fourth mojito”
November 2, 2024 at 12:34 AM
david.kolo.ski
A box of Captain Crunch's Oops! All Berries except it says "Oops! All Left Recursion"
October 30, 2024 at 2:58 AM
david.kolo.ski
have you considered

(i made this in a few minutes in pixlr so... not quite logo quality)
a poorly-made icon of a coconut with a postmarked stamp on it
October 25, 2024 at 12:45 AM
david.kolo.ski
rust features by mtg color pie
An MTG color pie. Async/await and atomics are the blue slice, enums and match are in the white slice, cargo is in the green slice, panic! and println! are in the red slice, and unsafe and cells are in the black slice.
October 22, 2024 at 10:51 PM