r/gleamlang

What is your opinion on Effect Systems?

I'm not deeply familiar with Haskell and Scala, nor the niche languages that have built in effect systems. But I have a few friends in the Scala community and they swear effect system is the best thing ever and their applications are on a totally different level just by adopting it.

I'm wonder, would something like this work in Gleam? Would it get too complicated? What are the tradeoffs and mostly the benefits of adopting something like this?

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u/Ecstatic-Panic3728 — 2 days ago
▲ 33 r/gleamlang+2 crossposts

Meet with Elixir, Erlang, Gleam, OTP, BEAM Communities - Code BEAM Europe 2026

Hey all 👋

Sharing a heads-up about Code BEAM Europe 2026 - 21-22 October in Haarlem (PHIL), plus online, with a training day on 20 October.

2 days, 2 tracks each day, and 3 keynotes - including Brooklyn Zelenka (Let It Disconnect: A Local-First Future), Sam Aaronof Sonic Pi (Notes on the Synthesis of Time, plus an interactive evening Phone Orchestra), and more.

~30 speakers across Erlang, Elixir and Gleam: ElixirConf®

The thing we're most excited about this year is the new Informal Space - a community-led area running alongside the main programme for the stuff that doesn't fit the talk format. Think hands-on demos, live experiments on real hardware, hacking sessions, games, panel-style discussions, talks in languages other than English… and at least one surprise we're not spoiling yet 🙂

We're finalising the Informal Space lineup now and will announce it soon. Newsletter subscribers get the first look(they already have), so if you don't want to miss it - and the other bits we'll be dropping between now and October - that's the place to be: Code BEAM Europe

Early bird tickets are limited - available for a limited time / until they sell out - so if you're planning to come, worth sorting sooner rather than later.

Register: Code BEAM Europe

See you in Haarlem or online!
The Code BEAM Europe Team

What is missing on Gleam? From an adoption point of view

On this age of AI slop and shallow understanding I'm having a lot of fun learning and coding in Gleam. It's hard to describe how Gleam fits my own mental programming model. Go was the language I liked the most because of it's "simplicity". Yes, within quotes, because simplicity is relative and the languages pushes a lot at the developer by having a very minimalist type system. Gleam follows the same spectrum but I truly believe it's a simple language, and this time, with no quotes.

But still, Gleam is quite niche and not many engineers know about it. It's the lack of libraries? Killer apps? Companies using it? What do you think it's missing?

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u/Ecstatic-Panic3728 — 8 days ago