文字列操作に見るRubyとRustの比較文字列操作に見るRubyとRustの比較

by Kazushige Tominaga

Slide 1

Slide 1 text

จࣈྻૢ࡞ʹݟΔ3VCZͱ3VTUͷൺֱ

Slide 2

Slide 2 text

2 Fablic, inc. Software Engineer 5PNNZ @tooooooooomy ϓϩϑΟʔϧ @kazu9su ओʹαʔόʔαΠυͷ։ൃΛ୲౰

Slide 3

Slide 3 text

3 ϑϦϧ '3*- ʮཉ͍͠ʯ͕Έ͔ͭΔָఱͷϑϦϚΞϓϦ

Slide 4

Slide 4 text

4 ͓஌Βͤ 7JN$POGεϙϯαʔͰ͢ 'BCMJDWJNओ࠵ͯ͠·͢ &CJTVSCओ࠵ͯ͠·͢ ࣍ճ͸ ਫ ʹ։࠵͠·͢

Slide 5

Slide 5 text

લఏ 5

Slide 6

Slide 6 text

6 σϓϩΠϑϩʔͷվળ w &OHJOFԽͨ͠ϦϙδτϦͷσϓϩΠϑϩʔΛվળ

Slide 7

Slide 7 text

7 &OHJOFΠϝʔδਤ 4FBSDI "ENJO 8FC "1* &OHJOF

Slide 8

Slide 8 text

8 લఏ w ֤ϦϙδτϦ͔Β(FNύοέʔδͱͯ͠ࢀর͞ΕΔ w ϦϙδτϦ͸ɺ೚ҙͷόʔδϣϯΛλάͰࢀর͢Δ w ػցతʹλάΛ੾Γ͍ͨ

Slide 9

Slide 9 text

9 ςϯϓϨʔτͷ࡞੒ w λάੜ੒ʹඞཁͳ෦෼ΛςϯϓϨԽ w ϓϧϦΫ࡞੒࣌ʹࣗಈͰૠೖ͞ΕΔ w ςϯϓϨͷ಺༰ΛݩʹHJUUBHΛ੾ΔεΫϦϓτ Λ࡞੒

Slide 10

Slide 10 text

10 վળલͷϑϩʔ ϓϧϦΫΛϚʔδ ΫϦοϓϘʔυʹίϐʔ εΫϦϓτΛ࣮ߦ PO-PDBM HJUIVCͷUBH࡞੒ϖʔδͷϦϯΫ͕දࣔ͞ΕΔ ΫϦοΫͨ͠ϦϯΫΛ౿ΜͰϦϦʔε PO(JUIVC

Slide 11

Slide 11 text

11 ϓϧϦΫΛϚʔδ ΫϦοϓϘʔυʹίϐʔ εΫϦϓτΛ࣮ߦ PO-PDBM HJUIVCͷUBH࡞੒ϖʔδͷϦϯΫ͕දࣔ͞ΕΔ ΫϦοΫͨ͠ϦϯΫΛ౿ΜͰϦϦʔε PO(JUIVC ͜ͷ෦෼ΛࣗಈԽ վળલͷϑϩʔ

Slide 12

Slide 12 text

12 )08 w 1VMM3FRVFTUΠϕϯτ௨஌ ɾ1VMM3FRVFTUΛϚʔδ τϦΨʔ w UBH࡞੒εΫϦϓτΛ࣮ߦ w 4MBDLʹ௨஌ ᶃ ᶄ ᶅ ᶆ

Slide 13

Slide 13 text

13 վળޙͷϑϩʔ ϓϧϦΫΛϚʔδ TMBDLʹ௨஌͞ΕͨϦϯΫΛΫϦοΫͯ͠ϦϦʔε IFSPLV)VCPUͰࣗಈԽ ௨஌͕4MBDLʹ͘Δ

Slide 14

Slide 14 text

14 ͦͷޙͷ໰୊ w4MBDL௨஌͕஗͍ 13Ϛʔδޙ໿ೋ෼ w#VOEMFJOTUBMMʹ͕͔͔͍࣌ؒͬͯͨ w 3VTUͰॲཧΛॻ͖௚͢͜ͱͰղܾ w όΠφϦϑΝΠϧͳͷͰίϯύΠϧ͍Βͣ w ࢀߟ 3VTUͰจࣈྻΛૢ࡞͢Δ w ౰વNSVCZͰ΋͓̺

Slide 15

Slide 15 text

ύʔε 15

Slide 16

Slide 16 text

16 ύʔε w ςΩετΛղੳͯ͠ඞཁͳߏ଄ Λ࡞Δ w ཉ͍͠৘ใ w ߋ৽ͷϨϕϧ w มߋ಺༰

Slide 17

Slide 17 text

17 3VCZ

Slide 18

Slide 18 text

18 3VTU

Slide 19

Slide 19 text

19 ߟ࡯ w লུՄೳ˱جຊతʹ͸ඞਢ w DBTFจ˱ύλʔϯϚον w ಈతʹม਺ΛఆٛՄೳ˱࢖༻͢Δม਺ ΋͘͠͸ߏ଄ ͸ࣄલʹએݴඞਢ w ೚ҙͷέʔεͷΈࢦఆ͢Ε͹0,˱͢΂ͯͷύλʔϯͷ໢ཏ͕ඞਢ w 3VCZ,BJHJͰ3VCZͷύλʔϯϚονͷఏҊ͕͋Γ·ͨ͠Ͷ w ಈతͳύλʔϯϚονΒ͍͠ w ࠓճ͸໰୊ͳ͔ͬͨͷͰεϧʔͯ͠Δ͚Ͳɺ3VCZͩͱਖ਼نදݱͯ͠·͢Ͷ

Slide 20

Slide 20 text

ਖ਼نදݱ 20

Slide 21

Slide 21 text

21 ਖ਼نදݱ w ύʔεͨ͠৘ใΛ࢖͍͍ͨঢ়ଶ ʹՃ޻

Slide 22

Slide 22 text

22 3VCZ

Slide 23

Slide 23 text

23 3VTU

Slide 24

Slide 24 text

24 ߟ࡯ w ਖ਼نදݱ͸ݴޠඪ४ Έ͍ͨͳ΋Μͩͱࢥ͍ͬͯΔ ˱֎෦ϥΠϒϥϦͰ͋Δ w Զୡ͸งғؾͰਖ਼نදݱ͍ͯ͠Δ˱ͦΕͧΕͷؔ਺͕ฦ͢ܕΛ೺Ѳ͠ɺࣗ෼ ͕΍Γ͍ͨ͜ͱʹ߹Θͤͯత֬ʹܕม׵ͳͲΛߦ͏

Slide 25

Slide 25 text

จࣈྻͷੜ੒ 25

Slide 26

Slide 26 text

26 จࣈྻͷੜ੒ w όʔδϣϯΛ্͛Δ w ྫ ݩW w ."+03ˠW w .*/03ˠW w 1"5$)ˠW

Slide 27

Slide 27 text

27 3VCZ

Slide 28

Slide 28 text

28 3VTU

Slide 29

Slide 29 text

29 ߟ࡯ w ԋࢉ͍ͨ͠Μ͔ͩΒ౰વ਺஋ͱͯ͠ѻ͏˱จࣈྻͳΜ͔ͩΒܭࢉͳΜͯͰ ͖ΔΘ͚ͳ͍ w TJOUBYͰจࣈྻΛมߋ͢Δ͜ͱΛ͓࡯͠˱഑ྻΛ࡞ͬͯ࠷ޙʹจࣈྻʹม ׵

Slide 30

Slide 30 text

଎౓ܭଌ 30

Slide 31

Slide 31 text

31 ଎౓ܭଌ w 3VCZ ʜ

Slide 32

Slide 32 text

32 ଎౓ܭଌ w 3VCZ ʜT

Slide 33

Slide 33 text

33 ଎౓ܭଌ w 3VCZ ʜT w 3VTU

Slide 34

Slide 34 text

34 ଎౓ܭଌ w 3VCZ ʜT w 3VTU ʜ

Slide 35

Slide 35 text

35 ଎౓ܭଌ w 3VCZ ʜT w 3VTU ʜT

Slide 36

Slide 36 text

36 ·ͱΊ w ΍ͬͯΈͨΒͦΕͧΕͷݴޠͷߟ͑ํͷҧ͍Λͻ͠ͻ͠ͱײͨ͡ w 3VCZ w ʮͱΓ͋͑ͣಈ͘ʯ͜ͱͷ͋Γ͕ͨΈͱੜ࢈ੑ w งғؾͰॻ͚Δ͍͍ͬͯΑͶ w ͪΌͪΌͬͱԿ͔Λ࡞Δʹ͸࠷ద w 3VTU w ࣗ෼͕ԿΛ͍ͨ͠ͷ͔ɻΛਅ݋ʹߟ͑ΔػձΛ༩͑ͯ͘ΕΔ w งғؾͰ͸ઈରʹॻ͚ͳ͍ w ίϯύΠϧ࣌఺Ͱࣗ෼Ͱ༧ظ͠ͳ͍όάͳͲΛ௵ͯ͘͠ΕΔ w ܦݧ͸ͳ͍͚Ͳ ͋Δఔ౓Ҏ্ͷن໛ ਓ਺ɾཁ݅΋Ζ΋Ζ ͷγεςϜ Λݫີʹ࡞͍ͬͯ͘ͷʹ޲͍ͯΔͷ͔΋͠Εͳ͍