Upgrade to Pro — share decks privately, control downloads, hide ads and more …

UFO演算子について

Avatar for Hirofumi Wakasugi Hirofumi Wakasugi
September 11, 2016
Programming
0
340

 UFO演算子について

RubyKaigi 2016 After Party (2016-09-10)
Avatar for Hirofumi Wakasugi

Hirofumi Wakasugi

September 11, 2016
Tweet

More Decks by Hirofumi Wakasugi

See All by Hirofumi Wakasugi
Racc Introduction
Avatar for Hirofumi Wakasugi 5t111111
1
450
Keep Calm and Enjoy Gachima
Avatar for Hirofumi Wakasugi 5t111111
3
370
Swift Functional Programming
Avatar for Hirofumi Wakasugi 5t111111
0
280
Middleman on Production
Avatar for Hirofumi Wakasugi 5t111111
0
170
名古屋Ruby会議03 高速一言感想
Avatar for Hirofumi Wakasugi 5t111111
3
1.1k
ドキュメント翻訳懺悔のLT ~進捗ダメです~
Avatar for Hirofumi Wakasugi 5t111111
1
640
Rubyと戯れるOSS DTM
Avatar for Hirofumi Wakasugi 5t111111
4
780
Rubyの拡張をCrystalで書いてみる
Avatar for Hirofumi Wakasugi 5t111111
0
120
YARV INTRODUCTION
Avatar for Hirofumi Wakasugi 5t111111
0
99

Other Decks in Programming

See All in Programming
AI Coding Agents Enablement in TypeScript
Avatar for Yuku Kotani yukukotani
12
3.1k
Cloudflare Workersで進めるリモートMCP活用
Avatar for syumai syumai
12
1.7k
インプロセスQAにおいて大事にしていること / In-process QA Meetup
Avatar for MEDLEY, INC. medley
0
190
Rubyの!メソッドをちゃんと理解する
Avatar for Yuto Urushima alstrocrack
2
390
Language Server と喋ろう – TSKaigi 2025
Avatar for pizzacat83 pizzacat83
2
260
Proxmoxをまとめて管理できる コンソール作ってみました
Avatar for karugamo karugamo
1
320
CQRS/ESのクラスとシステムフロー ~ RailsでフルスクラッチでCQRSESを組んで みたことから得た学び~
Avatar for suzuki masayuki suzukimar
0
160
Rethinking Data Access: The New httpResource in Angular
Avatar for Manfred Steyer manfredsteyer
PRO
0
110
Instrumentsを使用した アプリのパフォーマンス向上方法
Avatar for hinakko hinakko
0
260
TypeScript だけを書いて Tauri でデスクトップアプリを作ろう / Tauri with only TypeScript
Avatar for tris tris5572
2
180
Road to Ruby for A Linguistics Nerd
Avatar for Hayato Ishida hayat01sh1da
PRO
0
390
クラス設計の手順
Avatar for Goto Akiko akikogoto
0
140

Featured

See All Featured
Designing for Performance
Avatar for Lara Hogan lara
608
69k
Rebuilding a faster, lazier Slack
Avatar for samanthasiow samanthasiow
81
9k
Bash Introduction
Avatar for André Augusto Costa Santos 62gerente
613
210k
Into the Great Unknown - MozCon
Avatar for Noah Learner thekraken
38
1.8k
KATA
Avatar for Megan Lloyd mclloyd
29
14k
Scaling GitHub
Avatar for Zach Holman holman
459
140k
Designing Experiences People Love
Avatar for Jonathan Moore moore
142
24k
What’s in a name? Adding method to the madness
Avatar for Product Marketing Alliance productmarketing
PRO
22
3.5k
Rails Girls Zürich Keynote
Avatar for Gregor Martynus gr2m
94
13k
The Straight Up "How To Draw Better" Workshop
Avatar for Dennis Kardys denniskardys
233
140k
Facilitating Awesome Meetings
Avatar for Lara Hogan lara
54
6.4k
Java REST API Framework Comparison - PWX 2021
Avatar for Matt Raible mraible
31
8.6k

Transcript

  1. 6'0 ԋࢉࢠ ʹ͍ͭͯ (What's the Story) Spaceship Operator? Hirofumi Wakasugi

    (@5t111111)

  2. ϓϩάϥϚʔ Hirofumi Wakasugi (@5t111111)

  3. 4QBDFTIJQ0QFSBUPS  DMBTT4J[F.BUUFST JODMVEF$PNQBSBCMF EFGJOJUJBMJ[F TUS  !TUSTUS FOE 

    EFG PUIFS  TUSTJ[FPUIFSTUSTJ[F FOE FOE w #BTJDPQFSBUPSGPSDPNQBSJOHUIFSFDFJWFSBHBJOTUBOPUIFSPCKFDU w "MTPLOPXOBTl6'0PQFSBUPSz MFBTUJO+BQBO  w $MBTTFTNJYJOT$PNQBSBCMFNVTUJNQMFNFOU

  4. *NQMFNFOUBUJPOPG w1PTJUJWFOVNCFSJGTFMGJTHSFBUFSUIBOPUIFS w;FSPJGTFMGJTFRVBMUPPUIFS w/FHBUJWFOVNCFSJGTFMGJTMFTTUIBOPUIFS DMBTT'PP ǘ EFG PUIFS  SFUVSOJGTJ[FPUIFSTJ[F

    SFUVSOJGTJ[FPUIFSTJ[F SFUVSOJGTJ[FPUIFSTJ[F FOE FOE GPPGPPUSVFGBMTF *UTIPVMESFUVSO

  5. w :PVDBOXSJUFMJLFUIJTVTJOHJUTJNQMFNFOUBUJPO w -PPLTQSFUUZDPOWFOJFOU EPFTO`UJU "UJQGPSVTJOH DBTF GPPCBS  XIFO

    QVUTGPPJTFRVBMUPCBS XIFO QVUTGPPJTHSFBUFSUIBOCBS FMTF QVUTGPPJTMFTTUIBOCBS FOE

  6. w :PVDBOXSJUFMJLFUIJTVTJOHJUTJNQMFNFOUBUJPO w -PPLTQSFUUZDPOWFOJFOU EPFTO`UJU "UJQGPSVTJOH DBTF GPPCBS  XIFO

    QVUTGPPJTFRVBMUPCBS XIFO QVUTGPPJTHSFBUFSUIBOCBS FMTF QVUTGPPJTMFTTUIBOCBS FOE ʁʁ
 (SFBUFSJGQPTJUJWF  0SMFTTJGQPTUJWF  0SQPTJUJWFJGQPTJUJWF  85'

  7. 4P*BMXBZTEPUIFGPMMPXJOHTUFQTXIFO* XBOUUPVTFDPNQBSJTPOPQFSBUPSTXJUINZ DMBTTFT  *ODMVEFUIFNPEVMFJOBDMBTT  4UBSUXSJUJOHAEFG PUIFS FOEA 

    CFBOHVJTIFEUSZJOHUPSFNJOENFUPJGHSFBUFSMFTT NVTUSFUVSOQPTJUJWFOFHBUJWFOVNCFS  (PPHMJOHGPSBXIJMF  *UEPFTOPUXPSLʜ  6IPI*JODMVEF&OVNFSBCMFJOTUFBEPG$PNQBSBCMF

  8. 4P*UIJOL*NQMFNFOUBUJPOPG FYDFQUJPOBMMZMBDLTEFTDSJQUJWFQPXFS JO3VCZXPSME almost seems like magic numbers

  9. *USFNJOETNFPGTPNFUIJOHMJLF JOUDPNQBSF@JOU DPOTUWPJE B DPOTUWPJE C  \ SFUVSO JOU

    B JOU C ^ JOUNBJO  \ JOUEBUB<>\         ^ RTPSU EBUB  TJ[FPG JOU DPNQBSF@JOU  ^ w 0METDIPPM$JTIqBWPS w +BWB DPNQBSF5P /&5 $PNQBSF5P

  10. w *UXPVMECFFBTJFSUPLOPXUIFDPEFT`JOUFOTJPO *BNTVSFZPVDBOVTFJGʜFMTJGʜUIPVHI  *XJTI*DPVMEXSJUFMJLF DBTFGPPCBS XIFO&2 QVUTGPPJTFRVBMUPCBS XIFO(5 QVUTGPPJTHSFBUFSUIBOCBS

    FMTF QVUTGPPJTMFTTUIBOCBS FOE

  11. )BTLFMM DMBTT&RB0SEBXIFSF DPNQBSFBB0SEFSJOH EBUB0SEFSJOH-5]&2](5 ADPNQBSFA -5 0SE 0SEFSJOH DPNQBSFSFUVSOT0SEFSJOH 3VTU

    QVCFOVN0SEFSJOH\ -FTT  &RVBM  (SFBUFS  ^ 0SEFSJOH MFUSFTVMUDNQ   BTTFSU@FR 0SEFSJOH-FTT SFTVMU  MFUSFTVMUDNQ   BTTFSU@FR 0SEFSJOH&RVBM SFTVMU  DNQSFUVSOT0SEFSJOH

  12. w 3BOHFVTJOH*/'*/*5:XPVMEXPSLXJUIDBTFFYQSFTTJPO 8IBUJGZPVTJNQMZVTFDPOTUBOUT NPEVMF0SEFSJOH (5'MPBU*/'*/*5: -5'MPBU*/'*/*5: &2 FOE DBTFGPPCBS XIFO0SEFSJOH&2

    QVUTGPPJTFRVBMUPCBS XIFO0SEFSJOH(5 QVUTGPPJTHSFBUFSUIBOCBS XIFO0SEFSJOH-5 QVUTGPPJTMFTTUIBOCBS FOE

  13. w *UEPFTOPUXPSLCFDBVTFPGUIFJSUZQFT w .BZCFJUIBTTPNFPWFSIFBE 8IBUJGUIFTFDPOTUBOUTBSF BWBJMBCMFJOHMPCBMOBNFTQBDFʜ EFG PUIFS  JGTJ[FPUIFSTJ[F

    0SEFSJOH(5 FMTJGTJ[FPUIFSTJ[F 0SEFSJOH&2 FMTF 0SEFSJOH-5 FOE FOE

  14. *BNTVSFJNQMFNFOUBUJPOSFRVJSFNFOU PGMFUTZPVUPXSJUFMJLF EFG PUIFS  TJ[FPUIFSTJ[F FOE *MPWFUIJTBTJUJTDMFBOBOEDPODJTFFOPVHI BTMPOH BTZPVVOEFSTUBOEJUTSFRVJSFNFOUDPSSFDUMZ

  15. w*OBMNPTUBMMDBTFTUIFJNQMFNFOUBUJPOUIBU SFUVSOTOOJTFOPVHIBOEBMTPIBTBEWBOUBHF w.PSFEFTDSJQUJWFPQUJPOTXPVMECFWFSZXFMDPNF FTQFDJBMMZGPSOFXCJFT w*EPO`UIBWFBOZHPPEJEFBTZFU DPOTJEFSJOHJG TJOHMFUPOPCKFDUTMJLFOJMUSVFGBMTFXPSL $PODMVTJPO

  16. 5)"/,:06 w"MM3VCZ,BJHJTUB⒎TBOETQFBLFST w"MMSVCZJTUT*IBWFOFWFSFWFSNFU w XJUIFNQIBTJT %SFDPN3VCZ,BSBPLFXBTKVTU&1*$ ʜBOE!.BLF/PX+VTUGPSHJWJOHNFJOTQJSBUJPO IUUQT HJUIVCDPNDSZTUBMMBOHDSZTUBMQVMM *XPVMEBMTPMJLFUPTBZUIBOLZPVUP