Notices by Andy Wingo (wingo@mastodon.social)

i am “threw out my back while loading the dishwasher” years old

@cwebber when multiple impls ass the test suite that's polycool

my favorite software complexity metric: the number of data structures with "context" or "environment" in their name

new bloggery: it's alive, it's alive! ~~ https://wingolog.org/archives/2026/04/09/wastrel-milestone-full-hoot-support-with-generational-gc-as-a-treat

as a crew member of spaceship earth i would like to wish a very fuck you very much to nationalists of all varieties

putting people in space is ill-advised and also amazing

staying up late to watch the artemis launch ~~~

git has made us all come out as bisectual

new very serious important post: on nominal typing in webassembly https://wingolog.org/archives/2026/03/10/nominal-types-in-webassembly

the way to pass in an ai-prohibiting situation is to describe something the llm made as excruciating. because it would have been

@SpindleyQ omg i had forgotten that i posted this before, how embarassing 😅

gerald sussman once said that programming is no longer constructive, building truths from truths, instead investigative, identifying probable behavior from unreliable libraries. anyway, llms,,,

https://wingolog.org/archives/2009/03/24/international-lisp-conference-day-two

realtalk i actually appreciate hearing people’s llm takes. this is a gnarly time and we should talk about things, sometimes just as statements not expecting or wanting replies, sometimes in conversation

@djb UB on the float deref in the isnan 🤷

@djb fwiw i agree @barubary; to me is same as:
int u = 0x7f987654;
return isnan(*(float*)&u);
which accesses object u via incompatible type. c11 §6.5 paragraph 7.

i have never been able to understand if using unions to pun is well-defined; i always fall back to memcpy :/

@djb @barubary oh that is funny https://godbolt.org/z/jYc5vjene

concept: a paper that has one section, “related work”

good morning

@whitequark not sure tbh! i suspect google / deep sleep but i really don't know

just received my first ai-generated security-sensitive bug. it was great: report was spot on and well-described, included a POC also