突如見知らぬ言語に出会ってしまった俺達は

by moznion

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ಥ೗ݟ஌Β͵ݴޠʹ ग़ձͬͯ͠·ͬͨԶୡ͸ @moznion

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͜Μʹͪ͸

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@moznion

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͜͜Ͱ࣭໰

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ࠓ೥ೖ͔ͬͯΒ৽͍͠ݴޠ ΍ͬͯΔͧʙʙʙʙͬͯਓ

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ࠓ೥ೖ͔ͬͯΒ(झຯͰ) ৽͍͠ݴޠ ΍ͬͯΔͧʙʙʙʙͬͯਓ

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Թ౓ײΘ͔Γ·ͨ͠

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ಥ೗ݟ஌Β͵ݴޠʹ ग़ձͬͯ͠·ͬͨԶୡ͸ @moznion

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@moznion

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ࠓճ࿩͢͜ͱ ·ͨͦͷλʔήοτ

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ϓϩάϥϛϯά  ݴޠͷֶͼํʹ͍ͭͯ ݸਓతʹࢥ͏͜ͱ ·ͨ΍͍ͬͯΔ͜ͱͷ঺հ

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ϓϩάϥϛϯά  ॳֶऀͷਓ

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͋Δ͍͸ποίϛΛ  ೖΕ͍ͨਓ

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dan the question OK!

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ࠓճ࿩͞ͳ͍͜ͱ

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໊෺: ҟৗͳ౒ྗ

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ຊ୊

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ͷલʹ……

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ͷલʹ…… ࠓ͙͢ΫϦοΫ

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ͳͥ৽͍͠ݴޠΛ ΍Δͷ͔ʁ

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ຖ೥গͳ͘ͱ΋ҰͭͷݴޠΛֶश͢Δ: ݴޠ͕ҟͳΔͱɼಉ͡ ໰୊Ͱ΋ҧͬͨղܾํ๏͕࠾༻͞Ε·͢ɽͭ·Γɼ͍͔ͭ͘ͷ ҟͳͬͨΞϓϩʔνΛֶश͢Δ͜ͱʹΑΓɼ෯޿͍ࢥߟ͕Ͱ͖ ΔΑ͏ʹͳΔΘ͚Ͱ͢ɽ͜ΕʹΑͬͯɼ͵͔ΔΈʹ͸·ͬͯ͠ ·͏ࣄଶΛආ͚Δ͜ͱ͕Ͱ͖ΔΑ͏ʹͳΓ·͢ɽ

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ͳΔ΄Ͳ

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Ͳ͍ͬ͜ཧ༝ͳͲແ͘ ΍Δ৔߹/΍Β͞ΕΔ  ৔߹΋͋Δ

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৭ʑ͋Γ·͢ ৭ʑ΍ͬͯΈ·͠ΐ͏

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஌ͱ͸ͳʹ͔……

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ݟ·͢

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Erlang: rabbitmq-server/src/rabbit_router.erl

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Clojure: ring/ring-core/src/ring/middleware/resource.clj

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Perl: Plack/lib/Plack/Request.pm

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C: h2o/src/main.c

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Ͳ͏Ͱ͔͢ (৭ʑͳײ૝͕͋Γ·͢)

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ݟ֮͑ͷ͋Δ΋ͷ͸ ͋·Γා͘ͳ͍

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ڪා = ແ஌

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஌Δͱ͍͏͜ͱ͸ ڪාΛࠀ෰͢Δ͜ͱ

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ڪාΛࠀ෰ͯ͠ࢀΓ ·͠ΐ͏

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ڪාΛࠀ෰͍ͯ͘͠ͱ ͲΜͲΜݴޠΛ΍ͬͯ ͍͚Δ

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ݟ஌Β͵ݴޠΛֶͿ࣌Ͳ͏͢ Δ͔

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৔߹Λߟ͑·͠ΐ͏

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ۚ͋Δ ࣌ؒ͋Δ ۚ͋Δ ࣌ؒͳ͍ ۚͳ͍ ࣌ؒ͋Δ ۚͳ͍ ࣌ؒͳ͍ ۚ ࣌ؒ

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ۚ͋Δ ࣌ؒ͋Δ

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ຊΛಡΉͷ͸ָ ࣗવͱମܥֶ͚ͮͯͿ ͜ͱ͕Ͱ͖Δ

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ͨͩಡΉ͚ͩͰ͸ແӹ खΛಈ͔͢ͷ͕؊ਛ

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खΛಈ͔͞ͳ͍ܥͷ ຊ͸୯ͳΔಡΈ෺ͳͷ Ͱ͋Μ·࢖͑ͳ͍

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ͳΜ΍͔΍ίϐϖͯ͠ ಈ͔ͤΔిࢠ൛͸ศར

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ͨͩ͠ͳΔ΂͘৽͠ ͍ຊΛ࢖͍·͠ΐ͏

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ۚͳ͍ ࣌ؒ͋Δ

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࠷ۙ͸ྑ͍࣌୅ʂ

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ͪΌΜͱͨ͠ݴޠͩͱ νϡʔτϦΞϧ͕ॆ࣮ ͯ͠Δ

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e.g. A Tour of Go https://tour.golang.org/ The Rust Programming Language https://doc.rust-lang.org/book/ README.html

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Πϯλʔωοτ্ʹ΋ αʔυύʔςΟͳ  ৘ใ͕๛෋ʹ͋Δ

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͜͜Ͱ ikura ͞Μͷ ϗʔϜϖʔδͷਤ

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୯७ʹίϐϖͯ͠ࡁ· ͤΔͷ͸΍Ί·͠ΐ͏

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ෳ਺ͷ৘ใΛরΒ͠ ߹Θͤ·͠ΐ͏

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ՄೳͳݶΓ৽͍͠  ৘ใιʔεʹ  ౰ͨΓ·͠ΐ͏

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܁Γฦ͠ʹͳΓ·͕͢ खΛಈ͔͠·͠ΐ͏

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ಈըίϯςϯπͳͲ ΋ྑͦ͞͏

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e.g. coursera https://www.coursera.org/ υοτΠϯετʔϧ http://dotinstall.com/

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஫) > ΞυόΠε͕1ݸ͋ͬͯɼڭࡐ͕ಈըͳ ͷͰɼ෮श͠ʹ͍͘ɽ͜Ε෮शͰ͖ͳ͍͠ ͲΜͲΜ๨Ε͍ͯ͘ͷͰ͸ͬͯؾ෇͍ͯɼ 3ि໨͘Β͍͔Βɼಈըݟͳ͕ΒϝϞͱͬ ͓ͯ͘Α͏ʹͨ͠Β໾ཱͭײ͡ʹͳͬͨɽ hitode909ͷ೔ه/Courseraͷػցֶशͷίʔε׬૸ͨ͠ http://blog.sushi.money/entry/2016/04/09/101854

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ۚ͋Δ ࣌ؒͳ͍

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ۚͰ͸Ͳ͏ʹ΋ͳΒΜ ͖͋ΒΊΖʂʂʂʂʂ

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ֶͿࣄ͕໨తͰͳ͍ ৔߹

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ਓޏͬͨ΄͏͕ྑ͍ Ͱ͢Α

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ͱ͍͏Θ͚Ͱ ࣗવͱۚͳ͍ϧʔτ΁ Ҡߦ͠·͢

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ۚͳ͍ ࣌ؒͳ͍

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ͳΓ;Γߏ͍ͬͯΒΕͳ͍ ਓʹ㘤͖·͠ΐ͏

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ਓ͸ૣ͍

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͜͏͍͏࣌ʹ ίϛϡχςΟʹ ଐͯ͠Δͱྑ͍Ͱ͢ΑͶ

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ೖͬͯͳ͍৔߹͸ ίϛϡχςΟʹ  ೖΓ·͠ΐ͏

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͍ͣΕͷ৔߹Ͱ΋ ݴ͑Δ͜ͱ

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ͦͷݴޠಛ༗ͷػೳ΍ ੈք؍Λ֮͑Δ͜ͱʹ ஫ྗ͢Δ

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ྫ͑͹ go ͱ͔ clojure ͳΒ ฒྻϓϩάϥϜͷٕ๏ Scala ͱ͔ Haskell ͱ͔ͳΒڧྗͳܕγε ςϜΛجௐͱͨ͠വ਺ϓϩάϥϜͷٕ๏ Java ΍ C# ͳΒΦϒδΣΫτࢦ޲ͷٕ๏ ͳͲͳͲ

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৭ʑͳੈք؍Λ஌ͬ ͓ͯ͘ͱࣅͨػೳʹ ग़ձͬͨ࣌ʹ஌ͬͨ ͔ͿΕΔ

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ڪා͠ͳ͘ͳΔ

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REPLͰษڧ͢Δͷ Λ΍ΊΔ

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ϓϩμΫγϣϯͰ REPL࢖ΘΜ (΋ͪΖΜ։ൃதͷಈ࡞֬ೝ ͱ͔Ͱ͸ΊͬͪΌ࢖͏͚Ͳ)

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ͳΜ͔ແཧ

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γϯλοΫεϋΠϥΠτ ͕ແ͍

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࠶ݱͤ͞ϏϦςΟ  ͷࠩ

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ίʔυͷશ๴Λ  ͔ͭΈʹ͍͘ งғؾ͕Θ͔Βͳ͍

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IDE࢖͍·͠ΐ͏

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·͋·ౖ͋Βͳ͍Ͱ

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ੲ͸VimҰຊͰྑ͍ͱ ࢥͬͯͨ ͓Ε͸΍ΕΔΜͩͱ ࢥͬͯͨ

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ੲ͸˓̋ (͜͜ʹ޷͖ͳΤ σΟλͷ໊લΛೖΕ·͠ΐ ͏)ҰຊͰྑ͍ͱࢥͬͯͨ ͓Ε͸΍ΕΔΜͩͱࢥͬͯͨ

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ے೑ਸഈ (Կ౓΋ಉ͡ίʔυΛ ॻ͘ͱ֮͑Δͧ) ͷ࣌୅

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Կ౓΋ॻ͘ඞཁ͋Δ ίʔυΛॻ͘ඞཁ͸ ແ͍ʂʂʂʂʂ IDEʹॻ͔ͤΖʂʂ

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IDE͕ਖ਼͍͠ίʔυ ʹಋ͍ͯ͘ΕΔͷ͕ ॏཁ

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ؒҧ͑ͨίʔυΛԿว ΋Կว΋ॻ͘ͷ͸֐ѱ ਖ਼͍͠ίʔυΛॻ͍ͨ ΄͏͕ྗʹͳΔ

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ຊ࣭Λֶͼ΍͍͢

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ͱ͸͍͑ ·͋VimͰ΋ྑ͍ͱ ࢥ͍·͢

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IDEͳ͍ݴޠͰ΋େৎ෉ (Padre͞Μ͓ݩؾͰ͔͢)

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ਖ਼͍͠ίʔυΛॻ͘ࣄ Λॿ͚ͯ͘ΔπʔϧΛ ࢖͏

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੩తղੳ (Perl::Lint͞Μ͓ݩؾͰ͔͢)

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ਖ਼͍͠ίʔυελΠ ϧʹಋ͍ͯ͘ΕΔ gofmt, check style, code sniffer and etc

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όάͷগͳ͍ίʔυ ʹಋ͍ͯ͘ΕΔ golint, ﬁndbugs and etc

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͜ΕΒ͸྆ऀ݉Ͷ͍ͯΔ৔ ߹΋͋Δ perl-critic, rubocop, js-[hl]int and etc

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࢖͍ͬͯ͘͏ͪʹਖ਼͍͠ (ਖ਼ ͦ͏) ͳίʔυ͕Θ͔ͬͯ͘ Δ, ॻ͚ΔΑ͏ʹͳͬͯ͘Δ

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ΤσΟλʹ૊ΈࠐΜͰɼϦ ΞϧλΠϜతʹૉૣ͍ϑΟʔ υόοΫΛಘΔͱͳ͓Α͍

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ਖ਼͍͠ίʔυΛॻ͘ࣄΛ ॿ͚ͯ͘ΔπʔϧΛ࡞Δ ΋͘͠͸ॲཧܥΛ࡞Δ

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e.g. Perl࡞੒Λܾҙ ʮਂ͘ཧղ͍ͨ͠ͳΒ࡞Δʯͱ͍͏ Ϟο τʔͷ΋ͱɺֶͿͳΒ࡞ֶͬͯͼ͍ͨʂ Ͳ͏ͤͳΒɺεΫϦϓτݴޠք࠷଎ͷPerlΛ ࡞Γ͍ͨ Perlͱग़ձ͍ɺPerlΛ࡞Δ/@goccy http://www.slideshare.net/goccy/perlperl

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ͦ͏͍͏͜ͱΛ΍Δͱཧղ ͕ਂ·Δͱ͍͏৔߹͕ ͋Γ·͢ (Perl::Lint ͞Μ͓ݩؾͰ͔͢)

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৽͍͠ݴޠΛ΍Δͱ͖ ʹඞͣॻ͘΋ͷΛ ܾΊΔ

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ಉ͡΋ͷΛҧ͏ݴޠͰͨ͘ ͞Μॻ͍ͯΈΔ

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ಉ͡΋ͷΛॻ͘͜ͱͰݴޠ ͷࠩҟ͕ݟ΍͘͢ͳΔ ಘखෆಘखΛ͔ͭΊΔΑ͏ ʹͳΔ