未経験新卒エンジニアがRustを学び始めてよかったこと

by Misaki Makino

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RustΛֶͼ࢝ΊͯΑ͔ͬͨ͜ͱ ະܦݧ৽ଔΤϯδχΞ͕ Rustೖ໳ऀͷू͍#4 @T5uku5hi

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຀໺ඒ࡙ @T5uku5hi ɾ৽ଔ೥໨ͷͻΑͬ͜ΤϯδχΞ ɾະܦݧͰΤϯδχΞͷੈք΁ ɾۀ຿Ͱ͸JavaΛ࢖༻ Who?

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ະܦݧ৽ଔ͕ ͳͥ3VTUʁ

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ɾઌഐʹࢦఠ͞Ε͔ͨΒͱΓ͋͑ͣ௚͢ ɾ*%&͕αδΣετ͍ͯ͠Δ͔Βॻ͖׵͑Δ ɾจ๏΍ϝιουΛ஌͍ͬͯΔ͚ͩ ݚम௚ޙͷࢲ యܕతಈ͚͹͍͍ঢ়ଶʹ

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ݚम௚ޙͷࢲ ɾઌഐʹࢦఠ͞Ε͔ͨΒͱΓ͋͑ͣ௚͢ ɾ*%&͕αδΣετ͍ͯ͠Δ͔Βॻ͖׵͑Δ ɾจ๏΍ϝιουΛ஌͍ͬͯΔ͚ͩ యܕతಈ͚͹͍͍΍ঢ়ଶʹ ͜Μͳঢ়گΛଧഁ ͍ͨ͠ʂ

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"OEFST/PSBTࢯͷݴ༿ ͖͔͚ͬʹͳͬͨຊ ৽͍͠ݴޠΛֶͼɺͦͷצॴΛ͔ͭΜ ͩΒɺલ͔Β஌͍ͬͯͨݴޠͷ࢖͍ํ ͕ͦΕ·ͰͱมΘ͍ͬͯΔ͜ͱʹؾͮ ͖ɺࣗ෼Ͱڻ͘͜ͱ͕Α͋͘Γ·͢ɻ ෳ਺ͷݴޠʹֶ͍ͭͯͿͱɺσβΠϯ ύλʔϯʹ͍ͭͯͷཧղ΋ਂ·Γ·͢ɻ

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ୈೋϓϩάϥϛϯάݴޠͰݕࡧ Rustͱͷग़ձ͍

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ΰʔϧʹऒ͔Εͯೖ໳ ଎౓ ҆શੑ ฒߦੑ < I m a new Rustacean!

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ษڧͯ͠Έͨ ਺౰ͯήʔϜΛRustͱJavaͰॻ͍ͨ

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+BWBͰ͸Ͳ͏ͯ͠ OFX͠ͳ͍͍ͯ͘ΜͩΖ͏ʁ

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Stringఆ਺ϓʔϧ String a = "Hello"; String b = "Hello"; String a = new String("Hello ); String b = new String("Hello ); ಉ͡Stringఆ਺ϓʔϧ ྖҬΛࢀর ҟͳΔώʔϓྖҬΛࢀর OFXΛ࢖Θͳ͍͜ͱͰ ɾϝϞϦফඅΛ࡟ݮͰ͖Δ ɾจࣈϦςϥϧ͕౳͍͜͠ͱΛൺֱͰ͖Δ