Scalaつまみ食い - CADDi STUDDi

4DBMBͭ·Έ͙͍

4DBMBͬͯͲΜͳݴޠʁ 4DBMB͸Ұൠతͳϓϩάϥϛϯάํ๏Λ؆͔ܿͭΤϨΨϯτ͔ͭܕ҆શͳํ๏Ͱදݱ͢ΔͨΊʹઃܭ͞Εͨ ϞμϯͳϚϧνύϥμΠϜݴޠͰ͢ɻͦΕ͸ΦϒδΣΫτࢦ޲ݴޠͱؔ਺ܕݴޠͷػೳΛεϜʔζʹ౷߹͍ͯ͠·͢ɻ #Z4DBMB%PDVNFOUBUJPO IUUQTEPDTTDBMBMBOHPSHKBUPVSUPVSPGTDBMBIUNM º ͢΂ͯͷ஋͕ΦϒδΣΫτ ɾΫϥε ɾτϨΠτ ͢΂ͯͷؔ਺͕஋
ɾߴ֊ؔ਺ ɾΧϦʔԽ ɾύλʔϯϚονϯά ͋͘·ͰϝΠϯ͸ΦϒδΣΫτࢦ޲ɺͦ͜ʹؔ਺ܕͷΤοηϯεΛ͍͍ײ͡ʹ༥߹͍ͤͯ͞ΔΠϝʔδ ʢݸਓͷײ૝Ͱ͢ʣ ؔ਺ܕ ΦϒδΣΫτࢦ޲

4DBMBͬͯͲΜͳݴޠʁ w ੩తܕ෇͚ w ܕਪ࿦ w δΣωϦΫε w +BWB7JSUVBM.BDIJOF +7.
্Ͱಈ࡞ w 4DBMB͔Β+BWBͷϓϩάϥϜΛݺͼग़ͤΔ w (BSCBHF$PMMFDUJPO ࠓ೔͸4DBMBܥʢYʣͷ࿩Λ͠·͢ 4DBMB΋ग़͍ͯΔͷͰ͕͢ɺ݁ߏ༷มΘΓ͍ͯ͠Δͷͱ ࣮຿ͰऔΓೖΕ͍ͯΔͱ͜ΖΛฉ͔ͳ͍ͷͰʜʢ֤छϥΠϒϥϦ͕ͦΜͳʹରԠͰ͖͍ͯͳ͍ʣ

͓͠ͳ͕͖ w DMBTT ίϯύχΦϯΦϒδΣΫτ DBTFDMBTT w ඪ४ϥΠϒϥϦ͔Β͍͔ͭ͘঺հ w 4FR 0QUJPO
w 4DBMBͷνΧϥͷยྡྷ w 0QUJPOܕͷίϯϏωʔγϣϯ w ߴΧΠϯυܕ 4DBMBͷجຊ ʢׂͱ୶ʑͱਐΊΔύʔτʣ 4DBMBͬΆ͞ͷ঺հ ʢϝΠϯίϯςϯπʣ

DMBTT ίϯετϥΫλ WBM WBSΛ͚ͭΔͱϝϯόʔʹͳΔ ࢀߟɿWEB+DB PRESS Vol.112 ࣮ફScala

DMBTT WBM͕͍͍ͭͯΔͷͰެ։͞Ε͍ͯΔ WBSʹ͢ΔͱՄมʹͳΔ QSJWBUFWBMͱ͢Ε͹Ӆ͢͜ͱ΋Ͱ͖Δ

DMBTT WBM͕͍͍ͭͯͳ͍ʢϝϯόʔͰͳ͍ʣ ͷͰࢀরͰ͖ͳ͍

DMBTT ϝιουఆٛ 4DBMBͰ͸৽͍͠ΦϒδΣΫτΛฦ͢ ͜ͱ͕ଟ͍ ϝιουͷݺͼํ

ίϯύχΦϯΦϒδΣΫτ ͋ΔΫϥεͱಉ͡৔ॴͰಉ໊ͷΦϒδΣΫτΛఆٛͨ͠΋ͷ ޓ͍ͷϓϥΠϕʔτϝϯόʔʹΞΫηεͰ͖Δ ϓϥΠϕʔτϝϯόʔʹΞΫηεՄ

ίϯύχΦϯΦϒδΣΫτ ͋ΔΫϥεͱಉ͡৔ॴͰಉ໊ͷΦϒδΣΫτΛఆٛͨ͠΋ͷ ޓ͍ͷϓϥΠϕʔτϝϯόʔʹΞΫηεͰ͖Δ 6TFSBQQMZΛݺͼग़͍ͯ͠Δ OFXͰ͸ͳ͍͜ͱʹ஫ҙ 4DBMBͷBQQMZͱVOBQQMZͱ͍͏ϝιου໊ ͸লུͯ͠ݺͼग़͢͜ͱ͕Ͱ͖Δ ͜ͷྫͰ͸6TFSBQQMZ lUBOJHVDIJz
ͱಉ͡ҙຯ

DBTFDMBTT ৭ʑศརͳ΋ͷΛੜ΍ͯ͘͠ΕΔ ɾίϯύχΦϯΦϒδΣΫτ͕ੜ੒͞ΕΔ ɾϑΟʔϧυͷ֤߲໨͕WBMએݴͱಉ͡ҙຯΛ࣋ͭ ɾDPQZϝιουΛ࣋ͭ ɾͰͷൺֱ͕͢΂ͯͷϑΟʔϧυ໊ͷ஋͕Ұக͢Δ͔Ͳ͏͔Ͱ൑ผ͞ΕΔ ɾNBUDIͰ࢖༻Ͱ͖Δʹͯ͘͠ΕΔ

4FRྻΛද͢ίϨΫγϣϯ BQQMZϝιουΛݺͼग़͍ͯ͠Δ ࢀߟɿWEB+DB PRESS Vol.112 ࣮ફScala

4FRྻΛද͢ίϨΫγϣϯ ୈҾ਺ͷཁૉΛऔಘɻൣғ֎ͳΒୈҾ਺ͷؔ਺Λ࣮ߦ ୈҾ਺ɿ*OU*OUͷؔ਺ Ҿ਺ͷ*OU͸ఴࣈΛද͕͢ࠓճ͸ৗʹΛฦ͢ͷͰ࢖Θͳ͍ͷͰʮ@ʯ

4FRͷNBQ NBQϝιουͰ۝۝ද

4FRͷGMBUUFO NBQϝιουͰ۝۝ද fl BUUFOͰೖΕࢠΛͳͯ͘͠4FR<4USJOH>ʹ

4FRͷGMBU.BQ NBQϝιουͰ۝۝ද fl BUUFOͰೖΕࢠΛͳͯ͘͠4FR<4USJOH>ʹ NBQ fl BUUFO͸ fl BU.BQͰʂ

GPSࣜͰΑΓݟ΍͘͢ NBQϝιουͰ۝۝ද fl BUUFOͰೖΕࢠΛͳͯ͘͠4FR<4USJOH>ʹ NBQ fl BUUFO͸ fl BU.BQͰʂ
GPSࣜ͸ೖΕࢠʹͳͬͨNBQ΍ fl BU.BQͷ γϯλοΫεγϡΨʔ

0QUJPO<"> ஋͕͋ͬͨΓͳ͔ͬͨΓΛදݱ͢Δܕ ɾ஋͕͋Δˠ4PNF<"> ɾ஋͕ͳ͍ˠ/POF 0QUJPO<4USJOH>Λ࡞ͬͯΈΔ ࢀߟɿWEB+DB PRESS Vol.112 ࣮ફScala

0QUJPO<">ɿཁૉͷऔಘ ஋͕͋ͬͨΓͳ͔ͬͨΓΛදݱ͢Δܕ ɾ஋͕͋Δˠ4PNF<"> ɾ஋͕ͳ͍ˠ/POF 0QUJPO<4USJOH>Λ࡞ͬͯΈΔ ஋ΛऔΓͩͯ͠ΈΔ ύλʔϯϚονͰ΋͍͚Δ

0QUJPO<">ɿNBQͰม׵ ஋͕͋ͬͨΓͳ͔ͬͨΓΛදݱ͢Δܕ ɾ஋͕͋Δˠ4PNF<"> ɾ஋͕ͳ͍ˠ/POF 0QUJPO<4USJOH>Λ࡞ͬͯΈΔ NBQϝιουͰม׵ fl BU.BQ΋͋ΔΑ GPSࣜ΋࢖͑ΔΑ

0QUJPOܕͷίϯϏωʔγϣϯ 0QUJPOܕΛෳ਺૊Έ߹Θͤͯॲཧ͢Δํ๏ΛΈͯΈ·͢ ͓୊ ࣍ͷσʔλߏ଄͔ΒࠃޠͱӳޠΛडߨͨ͠ੜెʹ͍͚ͭͯͩɺ ࠃޠͱӳޠͷฏۉ఺ΛٻΊ໊ͯલͱͱ΋ʹग़ྗͤΑ ग़ྗɿ lKJSPz lIBOBz
͓୊͸ʮWEB+DB PRESS Vol.112 ࣮ફScalaʯΑΓ

BWFSBHFϝιουΛߟ͑Δ ໰ࠃޠͱӳޠΛडߨͨ͠ੜెʹ͍͚ͭͯͩɺ ࠃޠͱӳޠͷฏۉ఺ΛٻΊ໊ͯલ ͱͱ΋ʹग़ྗͤΑ ࢀߟɿWEB+DB PRESS Vol.112 ࣮ફScala

BWFSBHFϝιουΛߟ͑ΔʢJGࣜฤʣ ໰ࠃޠͱӳޠΛडߨͨ͠ੜెʹ͍͚ͭͯͩɺ ࠃޠͱӳޠͷฏۉ఺ΛٻΊ໊ͯલ ͱͱ΋ʹग़ྗͤΑ ࠃޠ΍ӳޠΛडߨͨ͠Γ͍ͯ͠ͳ͔ͬͨΓ͢ΔͷͰ0QUJPOͰදݱͰ͖ͦ͏ ࢀߟɿWEB+DB PRESS Vol.112 ࣮ફScala

BWFSBHFϝιουΛߟ͑Δʢ0QUJPOฤʣ ໰ࠃޠͱӳޠΛडߨͨ͠ੜెʹ͍͚ͭͯͩɺ ࠃޠͱӳޠͷฏۉ఺ΛٻΊ໊ͯલ ͱͱ΋ʹग़ྗͤΑ #FGPSFJGࣜ "GUFS0QUJPONBQ fl BU.BQ ࢀߟɿWEB+DB
PRESS Vol.112 ࣮ફScala

BWFSBHFϝιουΛߟ͑ΔʢGPSࣜʣ ໰ࠃޠͱӳޠΛडߨͨ͠ੜెʹ͍͚ͭͯͩɺ ࠃޠͱӳޠͷฏۉ఺ΛٻΊ໊ͯલ ͱͱ΋ʹग़ྗͤΑ #FGPSFJGࣜ "GUFS0QUJPONBQ fl BU.BQ "GUFSΛGPSࣜͰॻ͘
ࢀߟɿWEB+DB PRESS Vol.112 ࣮ફScala

͓·͚ɿ໰ʹՃ͑ͯฏۉ఺఺Ҏ্ͷΈग़ྗ͍ͨ͠৔߹ ໰ࠃޠͱӳޠΛडߨͨ͠ੜెʹ͍͚ͭͯͩɺ ࠃޠͱӳޠͷฏۉ఺ΛٻΊͯ ͦΕ͕఺Ҏ্ͷ৔߹ʹ ໊લͱͱ΋ʹग़ྗͤΑ GPSࣜͰ͜Μͳ;͏ʹॻ͚Δ ࠨͷGPSࣜ͸ҎԼͷγϯλοΫεγϡΨʔ ࢀߟɿWEB+DB PRESS Vol.112
࣮ફScala

ߴΧΠϯυܕʜͷલʹ 4DBMBʹ͸৭ʑͳܕ͕͋Γ·͢ΑͶʢ౜ಥʣ *OU 4USJOH .Z$MBTT

0QUJPO<">ͱ͔4FR<">ͱ͔͋Γ·͢ΑͶ *OU 4USJOH .Z$MBTT 0QUJPO<"> 4FR<"> 'VUVSF<"> ฒߦॲཧͷͨΊͷܕ 4VDDFTTͱ'BJMVSF͕͋Δ

0QUJPO<">ͱ͔4FR<">ͱ͔͋Γ·͢ΑͶ *OU 4USJOH .Z$MBTT 0QUJPO<"> 4FR<"> 'VUVSF<"> ֨ࢠ఺͕۩ମతͳܕ

NBQͱ͔GMBU.BQͬͯϝιου͋Γ·͢ΑͶ *OU 4USJOH .Z$MBTT 0QUJPO<"> 4FR<"> 'VUVSF<"> EFGNBQ<#> G"# 0QUJPO<#>
EFG fl BU.BQ<#> G"0QUJPO<#> 0QUJPO<#> EFGNBQ<#> G"# 4FR<#> EFG fl BU.BQ<#> G"4FR<#> 4FR<#> EFGNBQ<#> G"# 'VUVSF<#> EFG fl BU.BQ<#> G"'VUVSF<#> 'VUVSF<#> ˞'VUVSFNBQ fl BU.BQͷγάωνϟ͸ͪΐͬͱӕ͍͍ͭͯ·͢

ͳΜ͔γάωνϟࣅͯͳ͍Ͱ͔͢ *OU 4USJOH .Z$MBTT 0QUJPO<"> 4FR<"> 'VUVSF<"> EFGNBQ<#> G"# 0QUJPO<#>
EFG fl BU.BQ<#> G"0QUJPO<#> 0QUJPO<#> EFGNBQ<#> G"# 4FR<#> EFG fl BU.BQ<#> G"4FR<#> 4FR<#> EFGNBQ<#> G"# 'VUVSF<#> EFG fl BU.BQ<#> G"'VUVSF<#> 'VUVSF<#> 0QUJPO<"> 4FR<"> 'VUVSF<">ΛଋͶͨ֓೦ɺੜΈग़ͤͦ͏͡Όͳ͍Ͱ͔͢ʁ

)FMMP IJHIFSLJOEFEUZQFʢߴΧΠϯυܕʣ *OU 4USJOH .Z$MBTT 0QUJPO<"> 4FR<"> 'VUVSF<"> EFGNBQ<#> G"#
0QUJPO<#> EFG fl BU.BQ<#> G"0QUJPO<#> 0QUJPO<#> EFGNBQ<#> G"# 4FR<#> EFG fl BU.BQ<#> G"4FR<#> 4FR<#> EFGNBQ<#> G"# 'VUVSF<#> EFG fl BU.BQ<#> G"'VUVSF<#> 'VUVSF<#> '<"> EFGNBQ<#> G"# '<#> EFG fl BU.BQ<#> G"'<#> '<#>

ߴΧΠϯυܕΛఆٛͯ͠ΈΔ 0QUJPO 4FR 'VUVSFΛ·ͱΊΔ֓೦͕ ͭ͘Εͨ ͜ΕΒΛ)JHIFS,JOEͷΠϯελϯεͱͯ͠ ఆٛͰ͖ͨ ͜Ε͕ϑΝϯΫλʔɺϞφυͳͲͷ֓೦ʹͭͳ͕͍ͬͯͨΓ͠·͢ Ͱɺ͜Ε͸ͳʹʁͳΜͷ໾ʹཱͭͷΑʁ͸·ͨผͷػձʹͰ΋ʜ

·ͱΊ w 4DBMBΛͬ͘͟Γͭ·Έ͙͍ͯ͠Έ·ͨ͠ w ·ͩ·ͩղઆͰ͖͍ͯͳ͍ػೳ΍֓೦͕ͨ͘͞Μ͋Γ·͢ w .BQ΍4FRͷΠϯελϯεΛؔ਺ͱͯ͠࢖͏ w ܕΫϥε w
JNQMJDJUDMBTTʹΑΔطଘͷܕͷ֦ு w FUDʜ w 4DBMBॻָ͍͍͍ͯͯ͠৭ʑֶ΂ΔݴޠͳͷͰੋඇࢼͯ͠Έ͍ͯͩ͘͞ʂ

Scalaつまみ食い - CADDi STUDDi

Scalaつまみ食い - CADDi STUDDi

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