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ポイントで導入するRust
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Kazushige Tominaga
July 03, 2018
Programming
2
8.2k
ポイントで導入するRust
Running Rust in Production(
https://d-cube.connpass.com/event/90317/
)発表資料です
Kazushige Tominaga
July 03, 2018
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Transcript
ϙΠϯτͰಋೖ͢Δ3VTU
2 ࣗ ݾ հ Fablic, inc. —> Rakuten, inc.
Software Engineer 5PNNZ @tooooooooomy
3 ࣍ • RustΛ͓͏ͱࢥͬͨཧ༝ • RustΛ͏४උ • Rustಋೖͷ͖͔͚ͬ •
ӡ༻ͱͦͷޙ • ͓·͚
3VTUΛ͓͏ͱࢥͬͨཧ༝
5 ɾຖҰͭͷݴޠΛֶश
6
7 ·ͱʹͬͨ͜ͱͷ͋Δݴޠ(࣌) • PHP • JavaScript • Perl • Ocaml(ϓϩάϥϛϯάͷجૅݺΜͩఔ)
• C(େֶͱ͔K&RͰͪΐΖͬͱ)
8 ͬͨ͜ͱͷ͋Δݴޠ • PHP • JavaScript • Perl • C(େֶͳͲͰͪΐΖͬͱ)
৽͍͜͠ͱ͕͍ͨ͠ʂ
9
10 (PͳΒ͜ͷઌࣄͰ͏͜ͱ͋Γͦ͏ͩͳʜ
11 (PͳΒ͜ͷઌࣄͰ͏͜ͱ͋Γͦ͏ͩͳʜ ϗϯτ͔ʁ
12 ࣌ɹɹɹ΄͛
3VTUΛ͏४උ
14 ४උʁ
15 https://doc.rust-lang.org/book/second-edition/index.html
16 ϑϜϑϜͳΔ΄ͲʜҎ্ͷײ͕ग़ͳ͍
17 ಈ͘ͷ͕࡞Γ͍ͨ
18 https://kazu9su.com/football-matome • Α͋͘Δ2ch·ͱΊ • αʔόʔαΠυ: Rust • ΫϥΠΞϯτ: React
+ Redux
19 RustͰ͍ͬͯΔ͜ͱ • xmlΛऔ͖ͬͯͯDBʹอଘ • JSONΛग़ྗɹ
20 RustͰ͍ͬͯΔ͜ͱ • xmlΛऔ͖ͬͯͯDBʹอଘ • JSONΛग़ྗɹ ීஈ͍ͬͯΔͷͰΠϝʔδͰ͖Δ
21 https://github.com/kazu9su/football-matome • Libraries • Web framework • nickel •
ORM and Query Builder • diesel • Http client(and server) • hyper • Mocking • mockito
22 https://github.com/kazu9su/football-matome • Libraries • Web framework • nickel •
ORM and Query Builder • diesel • Http client(and server) • hyper • Mocking • mockito ࣮Λҙࣝ͢Ε͍͍͚ͩͷ ϥΠϒϥϦ͢Ͱʹ༻ҙ͞Ε͍ͯΔ
23 ศར
3VTUಋೖͷ͖͔͚ͬ
25 • ϥΫϚ։ൃνʔϜͰɺࣗಈԽΛଅਐ͍ͯ͠·͢ • ͕Joinͨ࣌͠(1લ)νʔϜͷਓ͕େ͖͘มΘΓ ࢝Ί͓ͯΓɺࣗಈԽͷػӡ͕ߴ͘ͳ͖͍ͬͯͯͨ
26 • ࣾΞϓϦڞ௨ͷϥΠϒϥϦͱ͍ͯͬͯ͠ΔͷͷσϓϩΠϑϩʔ
27 • ࣾΞϓϦڞ௨ͷϥΠϒϥϦͱ͍ͯͬͯ͠ΔͷͷσϓϩΠϑϩʔ
28 • ࣾΞϓϦڞ௨ͷϥΠϒϥϦͱ͍ͯͬͯ͠ΔͷͷσϓϩΠϑϩʔ 1SPCMFN
29 • λά࡞εΫϦϓτʹRubyΛ༻͍ͯͨͨ͠ΊɺHeroku্Ͱ bundle install͍ͯͨ͠ • ຖճ2͘Β͍͔͔͍ͬͯͨ
30 • λά࡞εΫϦϓτʹRubyΛ༻͍ͯͨͨ͠ΊɺHeroku্Ͱ bundle install͍ͯͨ͠ • ຖճ2͘Β͍͔͔͍ͬͯͨ ࣗಈԽͷҙຯͶ͑
31 • ͦΜͳં
32 • ͦΜͳં
33 3VTUͷػӡ
ӡ༻ͱͦͷޙ
35 ಋೖޙ
36 ແࣄॳͷղܾ͞Εͨ
37 ͔͠͠…
38 3VTUΛॻ͚Δਓ͕͔͍͠ͳ͍ͱ͍͏͜ͱ͕ʹʜ
39
40 ͳΒͳ͔ͬͨ
41
42 ͜Εʹؔͯ͠νʔϜϝϯόʔͷ͓͔͛ͳͷͰײँ͔͠ͳ͍Ͱ͢
43 ਅͷΫϩείϯύΠϧ
44 ͦΕҎ߱मਖ਼ͱ͔ͳͯ͘·ͩղܾͯ͠ͳ͍Ͱ͢ɻ νʔϜͱͯ͠ӡ༻͍ͯ͘͜͠ͱΛߟ͑ΔͱϚετͳͷͰɺলʜ
45 ·ͱΊ • ͕ࣗखΛಈ͔ͯ͠Πϝʔδ͕Ͱ͖ΔͷͰ࿅श͢Δͱศར • ͷ߹؆ૉͳWebαʔϏε • ৽͍͠ڥͷ߹ɺ৽͍͜͠ͱΛ͢Δνϟϯε • ࣗಈԽͳͲɺࣄۀυϝΠϯʹ͋·Γؔͷͳ͍ͱ͜ΖΛΒͤͯΒ͑Δνϟϯε͕ଟ͍
• Rust͑Δ͜ͱΛΞϐʔϧ͍ͯͨ͠ͷͰϝϯόʔ͔ΒੵۃతʹಋೖΛࢧԉͯ͠Βͬͨ • ෆ۩߹͕ى͖ͨΒࣗʹͤΖελΠϧͰͬͯ͠·͏ͷ݁ߏ͋Γͩͱࢥ͏ • ͦͷޙͷέΞΛΔͷͱηοτ • νʔϜͷջͷਂ͞ͱ৽͍ٕ͠ज़ͷಋೖʹର͢Δཧղ • ʹίϯτϩʔϧͰ͖Δͱ͜ΖͰͳ͍ͷͰɺվΊͯνʔϜϝϯόʔʹײँ
͓·͚
3VTU5FTUUJQT
48 σϑΥϧτͰϚϧνεϨου࣮ߦ͞ΕΔ • DBͳͲΛͬͨςετͱ૬ੑѱ͍ • ࣮࣭తʹWebαʔϏεͰ͏߹ $cargo test -- —test-threads=1
͕σϑΥʹͳΔ͔
49 Private methodͷςετಉϑΝΠϧʹॻ͘ • ༰қʹςετͰϑΝΠϧߦ͕૿Ճ͍ͯ͘͠ͷͰݸਓతʹ͚ͯॻ͖͔ͨͬͨ • PrivateͳϝιουʹͦͷϑΝΠϧ͔Β͔͠ΞΫηεͰ͖ͳ͍ͱ͍͏ͷɺݴΘΕͯΈ ΕҰͭͷ͑ͳؾͨ͠ • ͋ͱͦΕͰߦ͕૿͑ͯݟ௨͕͠ѱ͘ͳͬͨΒઃܭΛݟͤͱ͍͏͜ͱ͔ͳͱਪଌ
50 Mocking Library Mockitoͷ༷ • Javaͷಉ໊ϥΠϒϥϦͷΠϯεύΠΞʁ(ਅِෆ໌) • ༷ॻಡΊॻ͍ͯ·͕͢ɺϩʔΧϧϚγϯ্ͰHTTPαʔόΛ্ཱͪ͛Δͱ͍͏ͷ • ίʔυͰࢦఆͯ͠ΔURLͰΞΫηε͢ΔઌΛMockitoͰ্ཱͪ͛ͨαʔόʔʹ͚ΔΠϝʔδ
• ීஈPHPͱ͔RubyͰΠϝʔδͯ͠Δͷͱҧ͏ͷͰݴٴͯ͠Έͨ
͞Βʹ͓·͚
52 ஔ͖͑ݩ(Ruby)ͱஔ͖͑ઌ(Rust)ͷൺֱ https://speakerdeck.com/kazu9su/wen-zi-lie-cao-zuo-nijian-rurubytorustfalsebi-jiao-wen-zi- lie-cao-zuo-nijian-rurubytorustfalsebi-jiao
53 3BLVUFOͰ<ΤϯδχΞ>Λੵۃ࠾༻தʂ
͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠