Upgrade to PRO for Only $50/Year—Limited-Time Offer! 🔥

UFO演算子について

Avatar for Hirofumi Wakasugi Hirofumi Wakasugi
September 11, 2016
Programming
0
400

 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
480
Keep Calm and Enjoy Gachima
Avatar for Hirofumi Wakasugi 5t111111
3
390
Swift Functional Programming
Avatar for Hirofumi Wakasugi 5t111111
0
300
Middleman on Production
Avatar for Hirofumi Wakasugi 5t111111
0
190
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
700
Rubyと戯れるOSS DTM
Avatar for Hirofumi Wakasugi 5t111111
4
810
Rubyの拡張をCrystalで書いてみる
Avatar for Hirofumi Wakasugi 5t111111
0
150
YARV INTRODUCTION
Avatar for Hirofumi Wakasugi 5t111111
0
110

Other Decks in Programming

See All in Programming
複数人でのCLI/Infrastructure as Codeの暮らしを良くする
Avatar for Shoma Okamoto shmokmt
5
2.2k
手が足りない！兼業データエンジニアに必要だったアーキテクチャと立ち回り
Avatar for zinkosuke zinkosuke
0
510
dotfiles 式年遷宮 令和最新版
Avatar for masawada masawada
1
690
愛される翻訳の秘訣
Avatar for Kishikawa Katsumi kishikawakatsumi
1
270
ZOZOにおけるAI活用の現在 ~モバイルアプリ開発でのAI活用状況と事例~
Avatar for ZOZO Developers zozotech
PRO
8
5.1k
UIデザインに役立つ 2025年の最新CSS / The Latest CSS for UI Design 2025
Avatar for IKEDA Yasunobu clockmaker
18
7k
DSPy Meetup Tokyo #1 - はじめてのDSPy
Avatar for Masahiro Nishimi masahiro_nishimi
1
150
関数の挙動書き換える
Avatar for takato fukui takatofukui
4
770
Herb to ReActionView: A New Foundation for the View Layer @ San Francisco Ruby Conference 2025
Avatar for Marco Roth marcoroth
0
250
CSC509 Lecture 14
Avatar for Javier Gonzalez-Sanchez javiergs
PRO
0
220
AI時代もSEOを頑張っている話
Avatar for しらはま shirahama_x
0
260
無秩序からの脱却 / Emergence from chaos
Avatar for nrs nrslib
2
12k

Featured

See All Featured
Design and Strategy: How to Deal with People Who Don’t "Get" Design
Avatar for Morgane Peng morganepeng
132
19k
[Rails World 2023 - Day 1 Closing Keynote] - The Magic of Rails
Avatar for Eileen M. Uchitelle eileencodes
37
2.6k
How GitHub (no longer) Works
Avatar for Zach Holman holman
316
140k
Reflections from 52 weeks, 52 projects
Avatar for Jefferson Lam jeffersonlam
355
21k
[SF Ruby Conf 2025] Rails X
Avatar for Vladimir Dementyev palkan
0
470
The Power of CSS Pseudo Elements
Avatar for Geoffrey Crofte geoffreycrofte
80
6.1k
Speed Design
Avatar for Sergey Chernyshev sergeychernyshev
33
1.4k
KATA
Avatar for Megan Lloyd mclloyd
PRO
32
15k
Code Review Best Practice
Avatar for Trisha Gee trishagee
73
19k
Mobile First: as difficult as doing things right
Avatar for Swwweet swwweet
225
10k
Designing Experiences People Love
Avatar for Jonathan Moore moore
143
24k
The Straight Up "How To Draw Better" Workshop
Avatar for Dennis Kardys denniskardys
239
140k

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