Swiftのオーバーロード選択のスコア規則21種類

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4XJGUͷΦʔόʔϩʔυબ୒ͷ είΞنଇछྨ

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͸͡Ίʹ

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͸͡Ίʹ

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Φʔόʔϩʔυબ୒ w4XJGUʹ͸Φʔόʔϩʔυ͕ଘࡏ

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Φʔόʔϩʔυબ୒ w4XJGUʹ͸Φʔόʔϩʔυ͕ଘࡏ wίϯύΠϥ͸ݺͼग़͠ʹରԠ͢ΔఆٛΛਪ࿦ wܕਪ࿦ػߏͱؔ܎ wΦʔόʔϩʔυબ୒͸ܕਪ࿦ثʹ౷߹

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Φʔόʔϩʔυબ୒ wܕਪ࿦ث͸ෳ਺ͷղΛൃݟ͢Δ͜ͱ͕͋Δ

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είΞنଇ w֤ਪ࿦ղʹରͯ͠είΞΛ࠾఺ wείΞ͕ߴ͍΄Ͳ༏ઌ౓͕௿͘ͳΔ

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είΞنଇ w֤ਪ࿦ղʹରͯ͠είΞΛ࠾఺ wείΞ͕ߴ͍΄Ͳ༏ઌ౓͕௿͘ͳΔ wछྨͷධՁ࣠

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4XJGUͷΦʔόʔϩʔυબ୒ͷ είΞنଇछྨ

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ϥϯΫ4,@6OBQQMJFE'VODUJPO w6OBQQMJFE'VODUJPOʹ෇͘είΞ /FX

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ϥϯΫ4,@6OBQQMJFE'VODUJPO w6OBQQMJFE'VODUJPO /FX

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ϥϯΫ4,@6OBQQMJFE'VODUJPO /FX

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ϥϯΫ4,@.JTTJOH4ZOUIFTJ[BCMF$POGPSNBODF /FX wOPO4FOEBCMF͔Β4FOEBCMF΁ͷม׵

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ϥϯΫ4,@'VODUJPO5P"VUP$MPTVSF$POWFSTJPO /FX w!BVUPDMPTVSFݺͼग़͠ͰΫϩʔδϟॻ͘

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ϥϯΫ4,@'VODUJPO5P"VUP$MPTVSF$POWFSTJPO /FX w!BVUPDMPTVSFݺͼग़͠ͰΫϩʔδϟॻ͘ *OU *OU

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ϥϯΫ4,@7BMVF5P1PJOUFS$POWFSTJPO w4USJOH "SSBZ JOPVU͔ΒϙΠϯλ΁ͷ҉໧ม׵

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ϥϯΫ4,@,FZ1BUI4VCTDSJQU wσϑΥϧτͷTVCTDSJQU࣮૷ΛݺͿ৔߹

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ϥϯΫ4,@&NQUZ&YJTUFOUJBM$POWFSTJPO w"OZ΁ͷ҉໧ม׵

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ϥϯΫ4,@7BMVF5P0QUJPOBM w0QUJPOBM΁ͷ҉໧ม׵

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ϥϯΫ4,@$PMMFDUJPO6QDBTU$POWFSTJPO w"SSBZ %JDUJPOBSZ 4FUͷ҉໧ΞοϓΩϟετ

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ϥϯΫ4,@/PO%FGBVMU-JUFSBM wʮϦςϥϧͷσϑΥϧτܕʯͱෆҰகͷ৔߹

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ϥϯΫ4,@/PO%FGBVMU-JUFSBM wʮϦςϥϧͷσϑΥϧτܕʯ IUUQTHJUIVCDPNBQQMFTXJGUCMPCEBGEDBBBFFTUEMJCQVCMJDDPSF1PMJDZTXJGU-

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ϥϯΫ4,@'VODUJPO$POWFSTJPO wؔ਺ܕͷҾ਺΍ฦΓ஋͕҉໧ม׵͢Δ৔߹

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ϥϯΫ4,@6TFS$POWFSTJPO w"OZ0CKFDU΁҉໧ม׵͢Δ৔߹

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ϥϯΫ4,@*NQMJDJU7BMVF$POWFSTJPO /FX w%PVCMF$('MPBUͷ҉໧ม׵Λ͢Δ৔߹

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ϥϯΫ4,@*NQMJDJU7BMVF$POWFSTJPO /FX w%PVCMF$('MPBUͷ҉໧ม׵Λ͢Δ৔߹

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ϥϯΫ4,@*NQMJDJU7BMVF$POWFSTJPO /FX w6OTBGF1PJOUFS5$ͷ6 w*OU< >6*OU< >

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ϥϯΫ4,@*NQMJDJU7BMVF$POWFSTJPO /FX w6OTBGF1PJOUFS5$ͷ6 w*OU< >6*OU< >

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ϥϯΫ4,@'PSDF6ODIFDLFE w*60ͷ҉໧Ξϯϥοϓ

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ϥϯΫ4,@6OSFTPMWFE.FNCFS7JB0QUJPOBM w 6OSFTPMWFE.FNCFS&YQS͕"ͱ" ͷؒʹ͋Δ৔߹ /FX

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ϥϯΫ4,@6OSFTPMWFE.FNCFS7JB0QUJPOBM w ࣮૷લ͸͜ͷίʔυ͕ίϯύΠϧΤϥʔͩͬͨ /FX

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ϥϯΫ4,@%JTGBWPSFE0WFSMPBE w!@EJTGBWPSFE0WFSMPBEʹΑͬͯ෇͘

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ϥϯΫ4,@'PSXBSE5SBJMJOH$MPTVSF w5SBJMJOH$MPTVSF͕લํҰக͢Δ৔߹ /FX

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ϥϯΫ4,@'PSXBSE5SBJMJOH$MPTVSF w5SBJMJOH$MPTVSF͕લํҰக͢Δ৔߹ /FX

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ϥϯΫ4,@'PSXBSE5SBJMJOH$MPTVSF w4XJGUະຬCBDLXBSETDBOͷΈ w4XJGUҎ߱CBDLXBSEGPSXBSE w྆ํ౰ͯ͸·Δ৔߹ɺCBDLXBSE w4XJGUҎ߱GPSXBSETDBOͷΈ /FX

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ϥϯΫ4,@'PSXBSE5SBJMJOH$MPTVSF w4XJGUະຬCBDLXBSETDBOͷΈ w4XJGUҎ߱CBDLXBSEGPSXBSE w྆ํ౰ͯ͸·Δ৔߹ɺCBDLXBSE w4XJGUҎ߱GPSXBSETDBOͷΈ w͜ͷείΞ͸࢖Θͳ͍ /FX

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ϥϯΫ4,@4ZOD*O"TZOD /FX wBTZODؔ਺಺͔ΒTZODؔ਺Λݺͼग़͢৔߹

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ϥϯΫ4,@4ZOD*O"TZOD /FX wBTZODؔ਺಺͔ΒTZODؔ਺Λݺͼग़͢৔߹ wBXBJUΩʔϫʔυͷ༗ແ͸Өڹ͠ͳ͍

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ϥϯΫ4,@4ZOD*O"TZOD /FX wTZODؔ਺͔ΒBTZODؔ਺ͷ҉໧ม׵

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ϥϯΫ4,@4ZOD*O"TZOD /FX wTZODؔ਺͔ΒBTZODؔ਺ͷ҉໧ม׵ wTZODؔ਺͸BTZODؔ਺ͷαϒλΠϓ

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ϥϯΫ4,@"TZOD*O4ZOD.JTNBUDI /FX wTZODؔ਺͔ΒBTZODؔ਺ΛݺͿ৔߹

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ϥϯΫ4,@6OBWBJMBCMF w!BWBJMBCMF VOBWBJMBCMF ʹΑͬͯ෇͘

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wमਖ਼͢΂͖͕ͩɺमਖ਼ํ๏͕෼͔Βͳ͍໰୊ ϥϯΫ4,@)PMF /FX

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wमਖ਼͢΂͖͕ͩɺमਖ਼ํ๏͕෼͔Βͳ͍໰୊ 4DPSF 5ZQF7BSJBCMFT 5<EFGBVMUBCMF@CJOEJOHT>!MPDBUPS!YCBD<&SSPS!4PVSDFTXJGU> 'JYFT < fi YJHOPSFJOWBMJE"45OPEF>!MPDBUPS!YCBD<&SSPS!4PVSDFTXJGU> 4PMWFSTUBUJTUJDT 5PUBMOVNCFSPGTDPQFTFYQMPSFE .BYJNVNEFQUISFBDIFEXIJMFFYQMPSJOHTPMVUJPOT 5JNFFNT "UUFNQUJOHUPTBMWBHFBOEFNJUEJBHOPTUJDT BUUFNQUJOHUZQFWBSJBCMFCJOEJOH5QMBDFIPMEFSGPS5 JODSFBTJOHIPMFTDPSFCZ!MPDBUPS!YCBD<&SSPS!4PVSDFTXJGU> $IBOHFT /FXMZ#PVOE 5QMBDFIPMEFSGPS5 GPVOETPMVUJPO 4PMVUJPO 'JYFETDPSF 5ZQFWBSJBCMFT 5BTQMBDFIPMEFSGPS5!MPDBUPS!YCBD<&SSPS!4PVSDFTXJGU> %FGBVMUFEDPOTUSBJOUTMPDBUPS!YCBD<&SSPS!4PVSDFTXJGU> 'JYFT < fi YJHOPSFJOWBMJE"45OPEF>!MPDBUPS!YCBD<&SSPS!4PVSDFTXJGU> FSSPSGBUBM&SSPS ϥϯΫ4,@)PMF /FX

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wमਖ਼͢΂͖͕ͩɺमਖ਼ํ๏͕෼͔Βͳ͍໰୊ 4PMVUJPO 'JYFETDPSF 5ZQFWBSJBCMFT 5BTQMBDFIPMEFSGPS5!MPDBUPS!YCBD<&SSPS!4PVSDFTXJGU> %FGBVMUFEDPOTUSBJOUTMPDBUPS!YCBD<&SSPS!4PVSDFTXJGU> 'JYFT < fi YJHOPSFJOWBMJE"45OPEF>!MPDBUPS!YCBD<&SSPS!4PVSDFTXJGU> FSSPSGBUBM&SSPS ϥϯΫ4,@)PMF /FX

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wमਖ਼͢΂͖͕ͩɺमਖ਼ํ๏͕෼͔Βͳ͍໰୊ w)PMF͕͋Δͱमਖ਼Ͱ͖ͳ͍ w'JYʮ΋͔ͯ͠͠ʯػೳͷԾઆʢޙड़ʣ Λൺֱ͢ΔࡍʹɺղܾͰ͖ͳ͍σλϥϝͳԾઆ Λආ͚Δͷʹར༻͞Ε͍ͯΔɻ ϥϯΫ4,@)PMF /FX

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ϥϯΫ4,@'JY wʮ΋͔ͯ͠͠ʯػೳͷͨΊʹੜ੒͞ΕͨԾઆ

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͓·͚είΞنଇҎ֎ͷ༏ઌنଇ wείΞ͕ಉ఺ͷ৔߹ IUUQTHJUIVCDPNBQQMFTXJGUCMPCCGGGCFDDEEFBGCEPDT5ZQF$IFDLFSNEDPNQBSJOHTPMVUJPOT

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͓·͚είΞنଇҎ֎ͷ༏ઌنଇ wείΞ͕ಉ఺ͷ৔߹ IUUQTHJUIVCDPNBQQMFTXJGUCMPCCGGGCFDDEEFBGCEPDT5ZQF$IFDLFSNEDPNQBSJOHTPMVUJPOT

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͓·͚είΞنଇҎ֎ͷ༏ઌنଇ wείΞ͕ಉ఺ͷ৔߹