Why we decided to start using Elixir

by Takayuki Matsubara

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Self introduction ࣗݾ঺հ

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! Takayuki Matsubara

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! ma2ge on Twitter

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! ma2gedev on GitHub

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! Working at M3, Inc. ΤϜεϦʔגࣜձࣾͰಇ͍͍ͯͯ

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Elixir enthusiast ❤ Elixir ͕޷͖Ͱ

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Elixir contributor ! Elixir ݴޠ΁ߩݙͨ͜͠ͱ͕͋Γ

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Author of PowerAssert for Elixir ! Elixir ൛ PowerAssert ͷ࡞ऀ

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PowerAssertEx ⭐ 77 github.com/ma2gedev/power_assert_ex

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⭐ 77 -> ⭐ 377 ? github.com/ma2gedev/power_assert_ex

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Why we decided to start using Elixir ͳͥ Elixir Λ࢖͏͜ͱʹܾΊͨͷ͔

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Do you need to use Elixir ❓ Elixir Λ࢖͏ඞཁ͸͋Δ ͷ͔

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How about for a regular web application ❓ ಛʹී௨ͷ΢ΣϒΞϓϦͰ͸Ͳ͏Ͱ͠ ΐ͏͔

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Not really. Rails or whatever you're used to work well enough... ਖ਼௚ͳͱ͜Ζ͋·Γͳ͍ɻRails ͱ͔ ׳Εͨ΋ͷΛ࢖͑͹े෼ɻ

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So why did our team start using it ❓ Ͱ͸ԿނզʑͷνʔϜͰ͸࢖͍࢝Ίͨ ͷ͔

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3 Reasons

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Expand out toolset ➕ खஈΛ૿΍͢

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Can we keep using our current tech stack forever ❓ ͍ͭ·Ͱ΋ࠓͷٕज़ελοΫͰ͍͍ͷ ͔

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No ൱

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We are developers, we create the future by trying new things զʑ͸։ൃऀɺ৽͍͜͠ͱΛࢼͯ͠ະ དྷΛ࡞͍͚ͬͯΔ

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So we need to evolve ͦͷͨΊʹ΋ਐԽ͍ͯ͘͠ඞཁ͕͋Δ

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Reduce risk ⾠ ⏬ ⾠

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However, it is scary to do new things ! ͱ͸ݴͬͯ΋৽͍͜͠ͱΛ͢Δͷ͸ා ͍

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We made it an acceptable size ڐ༰Ͱ͖ΔαΠζʹͨ͠

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Make it easier to try by reducing risk ௅ઓΛޙԡ͢͠ΔͨΊʹϦεΫΛখ͞ ͘͢Δ

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Passion for Elixir ❤ Elixir ΁ͷ৘೤

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There is sometimes hardship when tackling new things ! ৽͍͠΋ͷ΁औΓ૊Ή৔߹ʹ్தͰਏ ͍͜ͱ͸Ͱͯ͘Δ

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Can you have fun doing it ❓ ͦΕΛָ͠Ή͜ͱ͕Ͱ͖Δ͔

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Yes you can! / Absolutely! ! Ͱ͖Δ

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With a team that's passionate about Elixir, we can have fun ❤ ! Elixir ΁৘೤ͷ͋Δϝϯόʔ͕͍Ε͹ ָ͠ΊΔ

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In summary: ·ͱΊΔͱɺ

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To evolve, challenge ourselves, and have fun ਐԽ͢ΔͨΊɺ௅ઓ͢Δɺָͦͯ͠͠Ή

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We decided to start using Elixir ! Elixir Λ࢖͏͜ͱʹܾΊͨ

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If you'd like to use Elixir on your next project, take action ! ΋͠࢖͍͍ͨͱࢥ͍ͬͯΔਓ͕͍ΔͳΒɺ۩ମతʹߦಈΛىͯ͜͠ΈΑ͏

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For example, first investigate whether Elixir can be used ྫ͑͹ɺElixir Λ࢖͑Δ෦෼͕ͳ͍ ͔ɺ·ͣௐࠪͯ͠ΈΔ