[GUEST ACCESS MODE: Data is scrambled or limited to provide examples. Make requests using your API key to unlock full data. Check https://lunarcrush.ai/auth for authentication information.]

# ![@matej_cerny Avatar](https://lunarcrush.com/gi/w:26/cr:twitter::298785730.png) @matej_cerny Matej Cerny

Matej Cerny posts on X about scala, specialized, just a, elixir the most. They currently have XXX followers and XXX posts still getting attention that total XXX engagements in the last XX hours.

### Engagements: XXX [#](/creator/twitter::298785730/interactions)
![Engagements Line Chart](https://lunarcrush.com/gi/w:600/cr:twitter::298785730/c:line/m:interactions.svg)

- X Week XXXXX +8.40%
- X Month XXXXXX +220%
- X Months XXXXXX +46%
- X Year XXXXXX +1,764%

### Mentions: X [#](/creator/twitter::298785730/posts_active)
![Mentions Line Chart](https://lunarcrush.com/gi/w:600/cr:twitter::298785730/c:line/m:posts_active.svg)


### Followers: XXX [#](/creator/twitter::298785730/followers)
![Followers Line Chart](https://lunarcrush.com/gi/w:600/cr:twitter::298785730/c:line/m:followers.svg)

- X Week XXX +1.60%
- X Month XXX +11%
- X Months XXX +92%

### CreatorRank: XXXXXXXXX [#](/creator/twitter::298785730/influencer_rank)
![CreatorRank Line Chart](https://lunarcrush.com/gi/w:600/cr:twitter::298785730/c:line/m:influencer_rank.svg)

### Social Influence [#](/creator/twitter::298785730/influence)
---

**Social category influence**
[technology brands](/list/technology-brands)  [stocks](/list/stocks)  [social networks](/list/social-networks) 

**Social topic influence**
[scala](/topic/scala), [specialized](/topic/specialized), [just a](/topic/just-a), [elixir](/topic/elixir), [new era](/topic/new-era), [dawn](/topic/dawn), [$uber](/topic/$uber), [youtube](/topic/youtube)

**Top assets mentioned**
[Uber Technologies, Inc. (UBER)](/topic/$uber)
### Top Social Posts [#](/creator/twitter::298785730/posts)
---
Top posts by engagements in the last XX hours

"If you use one of the top XX most popular programming languages try Scala you'll never look at things the same way again. But if you already use Scala the same goes for Unison. This is a great introductory video from @etorreborre 👇 #scala #unison"  
![@matej_cerny Avatar](https://lunarcrush.com/gi/w:16/cr:twitter::298785730.png) [@matej_cerny](/creator/x/matej_cerny) on [X](/post/tweet/1945022964413436136) 2025-07-15 07:29:46 UTC XXX followers, 1261 engagements


"The decision not to specialize Some comes down to a simple cost-benefit analysis. The Cost * Increased JAR Size: Specialization generates a lot of extra bytecode. For a class as fundamental and widely used as Some creating specialized versions for all X primitive types would significantly bloat the standard library JAR file (scala-library.jar). * Longer Compilation: More code means the compiler has more work to do increasing compilation times for the library and potentially for user projects. The (Minimal) Benefit * One-Time Boxing Cost: The main benefit would be avoiding boxing the single"  
![@matej_cerny Avatar](https://lunarcrush.com/gi/w:16/cr:twitter::298785730.png) [@matej_cerny](/creator/x/matej_cerny) on [X](/post/tweet/1948295366568276061) 2025-07-24 08:13:07 UTC XXX followers, XXX engagements


"scala-cli 1.8.4 has been released with a bunch of fixes and updated dependencies but most importantly (experimental) publishing to Maven Central via the API should now work 👏 #scala"  
![@matej_cerny Avatar](https://lunarcrush.com/gi/w:16/cr:twitter::298785730.png) [@matej_cerny](/creator/x/matej_cerny) on [X](/post/tweet/1945404767468974232) 2025-07-16 08:46:55 UTC XXX followers, XXX engagements


"Spring Boot with Scala X 🤯 Heresy I don't think so. It can actually be a great on-ramp for Java programmers Just read the tech stack: cats-effect doobie circe. #java #scala #spring"  
![@matej_cerny Avatar](https://lunarcrush.com/gi/w:16/cr:twitter::298785730.png) [@matej_cerny](/creator/x/matej_cerny) on [X](/post/tweet/1945086610854367440) 2025-07-15 11:42:40 UTC XXX followers, 1161 engagements


"Adding a new book to my wishlist 👇 #scala"  
![@matej_cerny Avatar](https://lunarcrush.com/gi/w:16/cr:twitter::298785730.png) [@matej_cerny](/creator/x/matej_cerny) on [X](/post/tweet/1946105527454368124) 2025-07-18 07:11:29 UTC XXX followers, XXX engagements


"Hearing @nipafx say things like sums and products algebraic data types sealed interfaces with records. it's just a matter of time before he switches to Scala 😀 #java #scala"  
![@matej_cerny Avatar](https://lunarcrush.com/gi/w:16/cr:twitter::298785730.png) [@matej_cerny](/creator/x/matej_cerny) on [X](/post/tweet/1947923350132515327) 2025-07-23 07:34:51 UTC XXX followers, XXX engagements


"Wouldn't it be nice if Scala supported pattern matching in function definitions just like Haskell or Elixir #scala #haskell #elixir"  
![@matej_cerny Avatar](https://lunarcrush.com/gi/w:16/cr:twitter::298785730.png) [@matej_cerny](/creator/x/matej_cerny) on [X](/post/tweet/1948319446545653774) 2025-07-24 09:48:48 UTC XXX followers, XXX engagements


"The release candidate of Kyo XXX is a huge success and as @fbrasisil wrote it's a significant evolutionary step in Scala But remember based on the last survey only about XX% of commercial projects have migrated to Scala X 😬"  
![@matej_cerny Avatar](https://lunarcrush.com/gi/w:16/cr:twitter::298785730.png) [@matej_cerny](/creator/x/matej_cerny) on [X](/post/tweet/1944663483724767446) 2025-07-14 07:41:19 UTC XXX followers, 1646 engagements


"Scala X only SMTP client built on top of cats-effect + fs2 👀 #scala"  
![@matej_cerny Avatar](https://lunarcrush.com/gi/w:16/cr:twitter::298785730.png) [@matej_cerny](/creator/x/matej_cerny) on [X](/post/tweet/1948088037369377175) 2025-07-23 18:29:16 UTC XXX followers, XXX engagements


"📢 A new YouTube channel all about Scala Hit the subscribe button - this guy already has X episodes on macros #scala"  
![@matej_cerny Avatar](https://lunarcrush.com/gi/w:16/cr:twitter::298785730.png) [@matej_cerny](/creator/x/matej_cerny) on [X](/post/tweet/1947331154295631923) 2025-07-21 16:21:41 UTC XXX followers, 1482 engagements