業務中にサクッと書いたGo製ツールの話 at Gopher道場第二回LT大会

by Kazuki Higashiguchi

Slide 1

Slide 1 text

(PQIFSಓ৔-5େձ #"4&גࣜձࣾ ౦ޱ࿨ᏻʢ!,IJHBTIJHVDIJʣ ۀ຿தʹαΫοͱॻ͍ͨɺ (P੡πʔϧͷ࿩

Slide 2

Slide 2 text

ʢॻ͖ͨͯ͘ʣ ۀ຿ʹ(PΛ೜ͼࠐ·ͤͯ ͖ͨ࿩

Slide 3

Slide 3 text

ࣗݾ঺հ !,IJHBTIJHVDIJ౦ޱ࿨ᏻ w ॴଐɿ#"4&גࣜձࣾ #"4&1SPEVDU%JWJTJPO αʔόαΠυΤϯδχΞ w (PQIFSಓ৔ظੜ w ͜Ε·Ͱͷओͳ͓࢓ࣄɿ w ʮ#"4&ʯͷܾࡁྖҬ w 1)1ɾ$BLF1)1ͷόʔδϣϯΞοϓ w #MPH w IUUQLIJHBTIJHBTIJIBUFOBCMPHDPN w (JUIVC w IUUQTHJUIVCDPN,IJHBTIJHVDIJ

Slide 4

Slide 4 text

γϯϓϧͳπʔϧΛྔ࢈ ࣮ͯ͠ફΛॏͶΔ

Slide 5

Slide 5 text

̍ɿ42-ੜ੒$-*

Slide 6

Slide 6 text

࡞ͬͨ΋ͷʢ̍ʣ w $47Λड͚औͬͯ42-Λग़ྗ͢Δ

Slide 7

Slide 7 text

࡞ͬͨ΋ͷʢ̍ʣ w എܠɿि࣍͘Β͍Ͱߦ͏ରԠ

Slide 8

Slide 8 text

࡞ͬͨ΋ͷʢ̍ʣ w ΍Δ͜ͱ͸͜Ε͚ͩ

Slide 9

Slide 9 text

࡞ͬͨ΋ͷʢ̍ʣ w ੜ੒ͨ͠42-Λςετ͢Δ

Slide 10

Slide 10 text

࡞ͬͨ΋ͷʢ̍ʣ w ྑ͔ͬͨ͜ͱ w $-*ͱͯ͠.BD্Ͱಈ͔͢ʹ͸खܰ w ޕલதͷ༨༟ͷ͋Δ࣌ؒʹୀ۶ͳ࡞ۀΛָ ʹͰ͖Δ w 42-ੜ੒෦෼Ͱͷ࠷௿ݶͷςετͰ҆৺

Slide 11

Slide 11 text

ɿ$47ϩʔυ$-*

Slide 12

Slide 12 text

࡞ͬͨ΋ͷʢʣ w $47Λड͚औͬͯτϥϯβΫγϣϯ࣮ߦ w ຊ൪%#ʹର͢Δ*/4&3561%"5&

Slide 13

Slide 13 text

࡞ͬͨ΋ͷʢʣ w $-*ύοέʔδͱͯ͠ɺVSGBWFDMJΛ࢖͏ w IUUQTHJUIVCDPNVSGBWFDMJ w DPNNBOE͝ͱʹΦϓγϣϯࢦఆͰ͖Δ

Slide 14

Slide 14 text

࡞ͬͨ΋ͷʢʣ w ྑ͔ͬͨ͜ͱ w ΫϩείϯύΠϧͷັྗ w HP͕JOTUBMM͞Ε͍ͯͳ͍MJOVY্Ͱ΋࣮ߦ Մೳ w ʮόΠφϦஔ͚ͩ͘ͳΜͰʯ GOOS=linux GOARCH=amd64 go build -o bin/importer importer.go

Slide 15

Slide 15 text

ɿ"1*ݕূ$-*

Slide 16

Slide 16 text

࡞ͬͨ΋ͷʢʣ w ֎෦޲͚"1*ͷݕূ༻$-* w "1* w IUUQTEFWFMPQFSTUIFCBTFJO w "VUI"VUIFOUJDBUJPO w αϯϓϧίʔυ w IUUQTHJUIVCDPN,IJHBTIJHVDIJ HPTOJQQFUTUSFFNBTUFSCBTFBQJDMJ w 0"VUI w IUUQTHJUIVCDPNHPMBOHPBVUI

Slide 17

Slide 17 text

࡞ͬͨ΋ͷʢʣ w 0"VUIೝূͷ$-*࣮૷ͷͨΊʹʮ3FBM 8PSME)551ʯΛࢀߟʹ w IUUQTXXXPSFJMMZDPKQCPPLT

Slide 18

Slide 18 text

γϯϓϧͳπʔϧΛྔ࢈ ˠ৽αʔϏεͰͷ(Pಋ ೖݕ౼΁

Slide 19

Slide 19 text

(Pಋೖݕ౼ w ৽αʔϏεͰͷ(Pಋೖݕ౼ w "1*ϝΠϯͷαʔϏε w DTπʔϧɾXFCͰ΋ಉ͘͡(PͰ΍ΕΔ ͔ݕূத w αʔόαΠυɿ(P w ϑϩϯτΤϯυɿ7VF+4 w 41"Ͱ΋443Ͱ΋ͳ͍ʮ63-͝ͱʹ )5.-Λฦ͢ʯܗࣜΛݕ౼

Slide 20

Slide 20 text

࡞ͬͯΔ΋ͷʢʣ w (PPHMF0"VUIೝূϕʔεͷ؅ཧը ໘αϯϓϧ w IUUQTHJUIVCDPN ,IJHBTIJHVDIJBVUIBENJOBQQ w 0"VUIೝূͰͷϩάΠϯɾϩάΞ ΢τ

Slide 21

Slide 21 text

࡞ͬͯΔ΋ͷʢʣ w 5IF(P#MPH&SSPSIBOEMJOHBOE(P w ΤϥʔΛฦ͢ॲཧͷڞ௨Խ w )BOEMFSJOUFSGBDFΛ࣮૷͠BQQ&SSPS ܕΛฦ͢BQQ)BOEMFSΛ࡞Δ w

Slide 22

Slide 22 text

࡞ͬͯΔ΋ͷʢʣ ͦΕͧΕͷIBOEMFS͸ɺ໭Γ஋ʹBQQ&SSPS ܕΛฦ͢Α͏ʹ࣮૷ˠڞ௨Խ

Slide 23

Slide 23 text

࡞ͬͯΔ΋ͷʢʣ w ࢀߟ w 0"VUIೝূ w IUUQTHJUIVCDPN (PPHMF$MPVE1MBUGPSNHPMBOH TBNQMFTUSFFNBTUFSHFUUJOH TUBSUFECPPLTIFMG w ೝՄ w ϩʔϧ͝ͱͷೝՄઃఆͳͲ w IUUQTHJUIVCDPNRPSBVUI

Slide 24

Slide 24 text

·ͱΊ

Slide 25

Slide 25 text

·ͱΊ w ࢓ࣄͷ߹ؒʹίπίπࠩ͠ࠐΉͱଉൈ͖ʹ ͳΔ w ࣌ʹϨϏϡʔͯ͠΋Β͑Δͱʢຊ൪%# ѻ͏ͳͲʣ w ࢓ࣄͰ΍Δͱʮ࣮຿ϨϕϧʯͰ༷ʑͳ͜ͱ ʹ͍ͭͯߟ͑Δˠ w ࠩ͠ࠐΈଓ͚Δͱ৽αʔϏεͰͷಋೖݕ౼ ͷػձ͕΍͖ͬͯͨʂ

Slide 26

Slide 26 text

#"4&גࣜձࣾ ౦ޱ࿨ᏻʢ!,IJHBTIJHVDIJʣ ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ʂ