Hackers' Pub

Syntax	Description	Examples
`"` keyword `"`	Finds the string within quotes, including spaces. Case-insensitive. (Escape quotes inside with `\"`)	`"Hackers' Pub"`
`from:` handle	Finds content written by the specified user.	`from:hongminhee` `from:hongminhee@hollo.social`
`lang:` ISO 639-1	Finds content written in the specified language.	`lang:en`
`#` tag	Finds content with the specified tag. Case-insensitive.	`#HackersPub`
condition condition	Finds content that satisfies both conditions on either side of the space (logical AND).	`"Hackers' Pub" lang:en`
condition `OR` condition	Finds content that satisfies at least one of the conditions on either side of the OR operator (logical OR).	`#HackersPub OR "Hackers' Pub" lang:en`
`(` condition `)`	Combines the operators within the parentheses first.	`(#HackersPub OR "Hackers' Pub" OR "Hackers Pub") lang:en`

chris martens @chrisamaphone@hci.social

2/17/2026, 6:16:33 PM

Public

i think i stumbled on a use case for "difference types" in the sense of the inverse to sum types... is this a thing?!

i keep almost deleting this post because i'm sure it's nonsense but i just found https://starsandspira.ls/docs/ecoop22-draft.pdf by reputable people (hi @danielleDr!!!11 Dani ✨🐚 ) so maybe ??

How to Take the Inverse of a Type

Daniel Marshall, Dominic Orchard · LIPIcs, Vol.42, CVIT 2016; Copyright (C) Daniel Marshall and Dominic Orchard; licensed under Creative Commons License CC-BY 4.0

starsandspira.ls

If you have a fediverse account, you can quote this note from your own instance. Search https://hci.social/users/chrisamaphone/statuses/116087337324183572 on your instance and quote it. (Note that quoting is not supported in Mastodon.)