Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
UFO演算子について
Search
Hirofumi Wakasugi
September 11, 2016
Programming
0
390
UFO演算子について
RubyKaigi 2016 After Party (2016-09-10)
Hirofumi Wakasugi
September 11, 2016
Tweet
Share
More Decks by Hirofumi Wakasugi
See All by Hirofumi Wakasugi
Racc Introduction
5t111111
1
470
Keep Calm and Enjoy Gachima
5t111111
3
380
Swift Functional Programming
5t111111
0
300
Middleman on Production
5t111111
0
190
名古屋Ruby会議03 高速一言感想
5t111111
3
1.1k
ドキュメント翻訳懺悔のLT ~進捗ダメです~
5t111111
1
690
Rubyと戯れるOSS DTM
5t111111
4
800
Rubyの拡張をCrystalで書いてみる
5t111111
0
150
YARV INTRODUCTION
5t111111
0
110
Other Decks in Programming
See All in Programming
AI Agent 時代的開發者生存指南
eddie
4
2.3k
詳細の決定を遅らせつつ実装を早くする
shimabox
1
240
ボトムアップの生成AI活用を推進する社内AIエージェント開発
aku11i
0
1.5k
外接に惑わされない自システムの処理時間SLIをOpenTelemetryで実現した話
kotaro7750
0
160
エンジニアインターン「Treasure」とHonoの2年、そして未来へ / Our Journey with Hono Two Years at Treasure and Beyond
carta_engineering
0
480
Vueのバリデーション、結局どれを選べばいい？ ― 自作バリデーションの限界と、脱却までの道のり ― / Which Vue Validation Library Should We Really Use? The Limits of Self-Made Validation and How I Finally Moved On
neginasu
3
1.8k
CSC305 Lecture 11
javiergs
PRO
0
320
3年ぶりにコードを書いた元CTOが Claude Codeと30分でMVPを作った話
maikokojima
0
750
実践Claude Code：20の失敗から学ぶAIペアプログラミング
takedatakashi
18
9.5k
iOSでSVG画像を扱う
kishikawakatsumi
0
180
予防に勝る防御なし（2025年版） - 堅牢なコードを導く様々な設計のヒント / Growing Reliable Code PHP Conference Fukuoka 2025
twada
PRO
13
3.3k
ALL CODE BASE ARE BELONG TO STUDY
uzulla
30
6.9k
Featured
See All Featured
The Cost Of JavaScript in 2023
addyosmani
55
9.1k
Imperfection Machines: The Place of Print at Facebook
scottboms
269
13k
Fantastic passwords and where to find them - at NoRuKo
philnash
52
3.5k
Design and Strategy: How to Deal with People Who Don’t "Get" Design
morganepeng
132
19k
Faster Mobile Websites
deanohume
310
31k
Measuring & Analyzing Core Web Vitals
bluesmoon
9
650
Scaling GitHub
holman
463
140k
Bootstrapping a Software Product
garrettdimon
PRO
307
110k
Thoughts on Productivity
jonyablonski
72
4.9k
Visualization
eitanlees
150
16k
Balancing Empowerment & Direction
lara
5
710
Building Flexible Design Systems
yeseniaperezcruz
329
39k
Transcript
6'0 ԋࢉࢠ ʹ͍ͭͯ (What's the Story) Spaceship Operator? Hirofumi Wakasugi
(@5t111111)
ϓϩάϥϚʔ Hirofumi Wakasugi (@5t111111)
4QBDFTIJQ0QFSBUPS DMBTT4J[F.BUUFST JODMVEF$PNQBSBCMF EFGJOJUJBMJ[F TUS !TUS TUS FOE
EFG PUIFS TUSTJ[F PUIFSTUSTJ[F FOE FOE w #BTJDPQFSBUPSGPSDPNQBSJOHUIFSFDFJWFSBHBJOTUBOPUIFSPCKFDU w "MTPLOPXOBTl6'0PQFSBUPSz MFBTUJO+BQBO w $MBTTFTNJYJOT$PNQBSBCMFNVTUJNQMFNFOU
*NQMFNFOUBUJPOPG w1PTJUJWFOVNCFSJGTFMGJTHSFBUFSUIBOPUIFS w;FSPJGTFMGJTFRVBMUPPUIFS w/FHBUJWFOVNCFSJGTFMGJTMFTTUIBOPUIFS DMBTT'PP ǘ EFG PUIFS SFUVSOJGTJ[F PUIFSTJ[F
SFUVSOJGTJ[F PUIFSTJ[F SFUVSOJGTJ[F PUIFSTJ[F FOE FOE GPP GPP USVFGBMTF *UTIPVMESFUVSO
w :PVDBOXSJUFMJLFUIJTVTJOHJUTJNQMFNFOUBUJPO w -PPLTQSFUUZDPOWFOJFOU EPFTO`UJU "UJQGPSVTJOH DBTF GPP CBS XIFO
QVUTGPPJTFRVBMUPCBS XIFO QVUTGPPJTHSFBUFSUIBOCBS FMTF QVUTGPPJTMFTTUIBOCBS FOE
w :PVDBOXSJUFMJLFUIJTVTJOHJUTJNQMFNFOUBUJPO w -PPLTQSFUUZDPOWFOJFOU EPFTO`UJU "UJQGPSVTJOH DBTF GPP CBS XIFO
QVUTGPPJTFRVBMUPCBS XIFO QVUTGPPJTHSFBUFSUIBOCBS FMTF QVUTGPPJTMFTTUIBOCBS FOE ʁʁ (SFBUFSJGQPTJUJWF 0SMFTTJGQPTUJWF 0SQPTJUJWFJGQPTJUJWF 85'
4P*BMXBZTEPUIFGPMMPXJOHTUFQTXIFO* XBOUUPVTFDPNQBSJTPOPQFSBUPSTXJUINZ DMBTTFT *ODMVEFUIFNPEVMFJOBDMBTT 4UBSUXSJUJOHAEFG PUIFS FOEA
CFBOHVJTIFEUSZJOHUPSFNJOENFUPJGHSFBUFSMFTT NVTUSFUVSOQPTJUJWFOFHBUJWFOVNCFS (PPHMJOHGPSBXIJMF *UEPFTOPUXPSLʜ 6IPI*JODMVEF&OVNFSBCMFJOTUFBEPG$PNQBSBCMF
4P*UIJOL*NQMFNFOUBUJPOPG FYDFQUJPOBMMZMBDLTEFTDSJQUJWFQPXFS JO3VCZXPSME almost seems like magic numbers
*USFNJOETNFPGTPNFUIJOHMJLF JOUDPNQBSF@JOU DPOTUWPJE B DPOTUWPJE C \ SFUVSO JOU
B JOU C ^ JOUNBJO \ JOUEBUB<> \ ^ RTPSU EBUB TJ[FPG JOU DPNQBSF@JOU ^ w 0METDIPPM$JTIqBWPS w +BWB DPNQBSF5P /&5 $PNQBSF5P
w *UXPVMECFFBTJFSUPLOPXUIFDPEFT`JOUFOTJPO *BNTVSFZPVDBOVTFJGʜFMTJGʜUIPVHI *XJTI*DPVMEXSJUFMJLF DBTFGPP CBS XIFO&2 QVUTGPPJTFRVBMUPCBS XIFO(5 QVUTGPPJTHSFBUFSUIBOCBS
FMTF QVUTGPPJTMFTTUIBOCBS FOE
)BTLFMM DMBTT&RB 0SEBXIFSF DPNQBSFB B 0SEFSJOH EBUB0SEFSJOH -5]&2](5 ADPNQBSFA -5 0SE 0SEFSJOH DPNQBSFSFUVSOT0SEFSJOH 3VTU
QVCFOVN0SEFSJOH\ -FTT &RVBM (SFBUFS ^ 0SEFSJOH MFUSFTVMU DNQ BTTFSU@FR 0SEFSJOH-FTT SFTVMU MFUSFTVMU DNQ BTTFSU@FR 0SEFSJOH&RVBM SFTVMU DNQSFUVSOT0SEFSJOH
w 3BOHFVTJOH*/'*/*5:XPVMEXPSLXJUIDBTFFYQSFTTJPO 8IBUJGZPVTJNQMZVTFDPOTUBOUT NPEVMF0SEFSJOH (5 'MPBU*/'*/*5: -5 'MPBU*/'*/*5: &2 FOE DBTFGPP CBS XIFO0SEFSJOH&2
QVUTGPPJTFRVBMUPCBS XIFO0SEFSJOH(5 QVUTGPPJTHSFBUFSUIBOCBS XIFO0SEFSJOH-5 QVUTGPPJTMFTTUIBOCBS FOE
w *UEPFTOPUXPSLCFDBVTFPGUIFJSUZQFT w .BZCFJUIBTTPNFPWFSIFBE 8IBUJGUIFTFDPOTUBOUTBSF BWBJMBCMFJOHMPCBMOBNFTQBDFʜ EFG PUIFS JGTJ[F PUIFSTJ[F
0SEFSJOH(5 FMTJGTJ[F PUIFSTJ[F 0SEFSJOH&2 FMTF 0SEFSJOH-5 FOE FOE
*BNTVSFJNQMFNFOUBUJPOSFRVJSFNFOU PG MFUTZPVUPXSJUFMJLF EFG PUIFS TJ[FPUIFSTJ[F FOE *MPWFUIJTBTJUJTDMFBOBOEDPODJTFFOPVHI BTMPOH BTZPVVOEFSTUBOEJUTSFRVJSFNFOUDPSSFDUMZ
w*OBMNPTUBMMDBTFTUIFJNQMFNFOUBUJPOUIBU SFUVSOTOOJTFOPVHIBOEBMTPIBTBEWBOUBHF w.PSFEFTDSJQUJWFPQUJPOTXPVMECFWFSZXFMDPNF FTQFDJBMMZGPSOFXCJFT w*EPO`UIBWFBOZHPPEJEFBTZFU DPOTJEFSJOHJG TJOHMFUPOPCKFDUTMJLFOJMUSVFGBMTFXPSL $PODMVTJPO
5)"/,:06 w"MM3VCZ,BJHJTUB⒎TBOETQFBLFST w"MMSVCZJTUT*IBWFOFWFSFWFSNFU w XJUIFNQIBTJT %SFDPN3VCZ,BSBPLFXBTKVTU&1*$ ʜBOE!.BLF/PX+VTUGPSHJWJOHNFJOTQJSBUJPO IUUQT HJUIVCDPNDSZTUBMMBOHDSZTUBMQVMM *XPVMEBMTPMJLFUPTBZUIBOLZPVUP
5t111111
eddie
shimabox
aku11i
kotaro7750
carta_engineering
neginasu
javiergs
maikokojima
takedatakashi
kishikawakatsumi
twada
uzulla
addyosmani
scottboms
philnash
morganepeng
deanohume
bluesmoon
holman
garrettdimon
jonyablonski
eitanlees
lara
yeseniaperezcruz
![)BTLFMM DMBTT&RB 0SEBXIFSF DPNQBSFB B 0SEFSJOH EBUB0SEFSJOH -5]&2](5 ADPNQBSFA -5 0SE 0SEFSJOH DPNQBSFSFUVSOT0SEFSJOH 3VTU](https://files.speakerdeck.com/presentations/35f30ab551344db887c8e7c50ed48204/slide_10.jpg){kind=link}
