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`

Haskell Weekly @haskell_discussions@mastodon.social

6/7/2025, 7:35:12 PM

Public

Proposal: add Data.List.NonEmpty.mapMaybe :: (a -> Maybe b) -> NonEmpty a -> [b]

https://github.com/haskell/core-libraries-committee/issues/337

Discussions: https://discu.eu/q/https://github.com/haskell/core-libraries-committee/issues/337

#haskell #programming

Add Data.List.NonEmpty.mapMaybe :: (a -> Maybe b) -> NonEmpty a -> [b] · Issue #337 · haskell/core-libraries-committee

It always baffles me that there is no non-empty counterpart to mapMaybe :: (a -> Maybe b) -> [a] -> [b]. Let's add one to Data.List.NonEmpty: mapMaybe :: (a -> Maybe b) -> NonEmpty a -> [b] mapMayb...

github.com · GitHub

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