Crystal vs Elixir: What are the differences?
Crystal: Fast as C, slick as Ruby. Crystal is a programming language that resembles Ruby but compiles to native code and tries to be much more efficient, at the cost of disallowing certain dynamic aspects of Ruby; Elixir: Dynamic, functional language designed for building scalable and maintainable applications. Elixir leverages the Erlang VM, known for running low-latency, distributed and fault-tolerant systems, while also being successfully used in web development and the embedded software domain.
Crystal and Elixir belong to "Languages" category of the tech stack.
"Compiles to efficient native code" is the primary reason why developers consider Crystal over the competitors, whereas "Concurrency" was stated as the key factor in picking Elixir.
Crystal and Elixir are both open source tools. It seems that Elixir with 15.6K GitHub stars and 2.22K forks on GitHub has more adoption than Crystal with 13.5K GitHub stars and 1.05K GitHub forks.
Resultados Digitais, NoRedInk, and Poll Everywhere are some of the popular companies that use Elixir, whereas Crystal is used by Bitupper, Diploid, and mose. Elixir has a broader approval, being mentioned in 177 company stacks & 190 developers stacks; compared to Crystal, which is listed in 7 company stacks and 14 developer stacks.
What is Crystal?
What is Elixir?
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Postmates built a tool called Bazaar that helps onboard new partners and handles several routine tasks, like nightly emails to merchants alerting them about items that are out of stock.
Since they ran Bazaar across multiple instances, the team needed to avoid sending multiple emails to their partners by obtaining lock across multiple hosts. To solve their challenge, they created and open sourced ConsulMutEx, and an Elixir module for acquiring and releasing locks with Consul and other backends.
It works with Consul’s KV store, as well as other backends, including ets, Erlang’s in-memory database.
Another major decision was to adopt Elixir and Phoenix Framework - the DX (Developer eXperience) is pretty similar to what we know from RoR, but this tech is running on the top of rock-solid Erlang platform which is powering planet-scale telecom solutions for 20+ years. So we're getting pretty much the best from both worlds: minimum friction & smart conventions that eliminate the excessive boilerplate AND highly concurrent EVM (Erlang's Virtual Machine) that makes all the scalability problems vanish. The transition was very smooth - none of Ruby developers we had decided to leave because of Elixir. What is more, we kept recruiting Ruby developers w/o any requirement regarding Elixir proficiency & we still were able to educate them internally in almost no time. Obviously Elixir comes with some more tools in the stack: Credo , Hex , AppSignal (required to properly monitor BEAM apps).
i've give a try to Ruby, Crystal, Python and GO, and yeah, for web development i use Elixir-Phoenix, because idk why just amazing, my phoenix app is very stable (comparing to api that written in other language), Ruby is slow, Crystal has unstable API, GO, umm yeah, you need too complicated (i use golang for microservice)
i leaving php, node, and python cause i have a new love, crystal
Huge boon to productivity when coupled with Phoenix. Moreover, it has made background jobs and all the unseen aspects of a business easily abstracted.