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UFO演算子について
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Hirofumi Wakasugi
September 11, 2016
Programming
450
0
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UFO演算子について
RubyKaigi 2016 After Party (2016-09-10)
Hirofumi Wakasugi
September 11, 2016
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Transcript
6'0 ԋࢉࢠ ʹ͍ͭͯ (What's the Story) Spaceship Operator? Hirofumi Wakasugi
(@5t111111)
ϓϩάϥϚʔ Hirofumi Wakasugi (@5t111111)
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*NQMFNFOUBUJPOPG w1PTJUJWFOVNCFSJGTFMGJTHSFBUFSUIBOPUIFS w;FSPJGTFMGJTFRVBMUPPUIFS w/FHBUJWFOVNCFSJGTFMGJTMFTTUIBOPUIFS DMBTT'PP ǘ EFG PUIFS SFUVSOJGTJ[F PUIFSTJ[F
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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'
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4P*UIJOL*NQMFNFOUBUJPOPG FYDFQUJPOBMMZMBDLTEFTDSJQUJWFQPXFS JO3VCZXPSME almost seems like magic numbers
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FMTF QVUTGPPJTMFTTUIBOCBS FOE
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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
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w *UEPFTOPUXPSLCFDBVTFPGUIFJSUZQFT w .BZCFJUIBTTPNFPWFSIFBE 8IBUJGUIFTFDPOTUBOUTBSF BWBJMBCMFJOHMPCBMOBNFTQBDFʜ EFG PUIFS JGTJ[F PUIFSTJ[F
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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
maroon8021
kntkymt
kawayu
ukin0k0
nilpe
takter00
jnchito
terryu16
yug1224
kkamegawa
pvcresin
ryutaro_yako
jnunemaker
reverentgeek
rkaga
sabderemane
chriscoyier
baasie
soudai
tammyeverts
popppiees
scottboms
danielanewman
![)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}
