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©2018 Wantedly, Inc. You won’t know it’s now Rust How I introduce the new language 03.Jul.2018 - Masaki Hara

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©2018 Wantedly, Inc. Masaki Hara • Software Engineer @ Wantedly • Reads & writes Rust compiler as a Hobby Who am I

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©2018 Wantedly, Inc. Problem to consider before introducing Rust

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©2018 Wantedly, Inc. ͳͥ3VTUΛ࢖͏ͷ͔   ROJHIZ͸ͳͥ࢖͏ͷ͔  w ͔ͤͬ͘ৄ͘͠ͳͬͨ w ࢖Θͳ͚Ε͹ಷͬͯ͠·͏  8BOUFEMZͰͳͥ࢖͏ͷ͔  w ҙຯͷ͋Δ࢖͍ํΛ͍ͨ͠ Why use Rust?

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©2018 Wantedly, Inc. ϚΠΫϩαʔϏεͷ੗Έ෼͚͕Ͱ͖͍ͯΔ Microservices in Wantedly جຊతͳબ୒ࢶ ػցֶशܥαʔόʔ ϋΠύϑΥʔϚϯε

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©2018 Wantedly, Inc. ϚΠΫϩαʔϏεͷ੗Έ෼͚͕Ͱ͖͍ͯΔ Microservices

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©2018 Wantedly, Inc. Solution How I introduce Rust

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©2018 Wantedly, Inc. SFpOFJNBHFαʔϏε Refine refine-image

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©2018 Wantedly, Inc. Refine refine-image SFpOFJNBHFΛ3VTUʹҠ২ w $308ˠ"DUJY8FC w BXTTELDQQˠSVTPUP w 8FC1ˠόΠϯσΟϯάΛࣗ࡞ w 0QFO$7ˠඞཁͳॲཧΛࣗ࡞

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©2018 Wantedly, Inc. Refine refine-image ͦΕ͔Βɺख౔࢈Λͻͱͭ w )POFZCBEHFS΢ΥϯςουϦʔͰ࢖͍ͬͯΔΤϥʔτϥοΧʔ w 3VTUΫϥΠΞϯτΛࣗ࡞

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©2018 Wantedly, Inc. SFpOFJNBHFΛஔ͖׵͑Δ͜ͱʹͨ͠ཧ༝  3VTUʹஔ͖׵͑Δར఺͕͋Δ  3VTUʹͯ͠ଛ͠ͳ͍  ୀ࿏͕͋Δ Why refine-image?

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©2018 Wantedly, Inc. ଟ෼໌೔ೖΔ ࡾ೔લͱ͸ͳΜͩͬͨͷ͔

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©2018 Wantedly, Inc. Future Landscape with Rust

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©2018 Wantedly, Inc. Things after refine-image w $ αʔϏεΛ3VTUʹͨ͠ɻ
 ୀ࿏Λ֬อͭͭ͠લਐͨ͠ɻ w 3VTUΛ࢖͑ΔਓΛ૿΍͢ɻ
 ҆৺ͯ͠৽نαʔϏεʹಋೖͰ͖ΔΑ͏ʹ͢Δɻ