プログラミング言語入門

by Kazushige Tominaga

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ϓϩάϥϛϯάݴޠೖ໳

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2 Fablic, inc. Software Engineer ෌ӬҰ੒ @tooooooooomy ϓϩϑΟʔϧ @kazu9su ओʹαʔόʔαΠυͷ։ൃΛ୲౰ rubyॳ৺ऀͰ͢

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3 ϑϦϧ '3*- ʮཉ͍͠ʯ͕Έ͔ͭΔϑϦϚΞϓϦ

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4 'BCMJDͰ͸<3VCZJTU>Λੵۃ࠾༻தʂ

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5 ओ࠵ IUUQTGBCMJDWJNDPOOQBTTDPN IUUQTFCJTVSCDPOOQBTTDPN

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3BDD 6

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7 3BDD w 3VCZZBDDͷུ

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8 3BDD w 3VCZZBDDͷུ w ZBDD

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9 3BDD w 3VCZZBDDͷུ w ZBDD w :FU"OPUIFS$PNQJMFS$PNQJMFS

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10 3BDD w 3VCZZBDDͷུ w ZBDD w :FU"OPUIFS$PNQJMFS$PNQJMFS w 3%UPPMͰ࢖༻͞Ε͍ͯΔɹ w 1BSTFS(FOFSBUPS w 1BSTF w ਓ͕ཧղͰ͖ΔจষΛίϯϐϡʔλ͕ཧղͰ͖Δจষʹม׵͢Δ͜ͱ

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1BSTF 11

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12 ྫจࣈྻͷεΩϟϯ QVUT ʞ)FMMP8PSMEʟ τʔΫϯ ه߸ QVUT ࣝผࢠ )FMMP8PSME จࣈྻ

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13 ྫγεςϜͷཧղ SFEVDUJPO ͷաఔ ࣝผࢠ จࣈྻ

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14 ྫγεςϜͷཧղ SFEVDUJPO ͷաఔ ࣝผࢠ จࣈྻ ˣ ࣝผࢠ Ҿ਺

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15 ྫγεςϜͷཧղ SFEVDUJPO ͷաఔ ࣝผࢠ จࣈྻ ˣ ࣝผࢠ Ҿ਺ ˣ ؔ਺ݺͼग़͠

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16 ྫγεςϜͷཧղ SFEVDUJPO ͷաఔ ࣝผࢠ จࣈྻ ˣ ࣝผࢠ Ҿ਺ ˣ ؔ਺ݺͼग़͠ ˣ จ

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17 ྫγεςϜͷཧղ SFEVDUJPO ͷաఔ ࣝผࢠ จࣈྻ ˣ ࣝผࢠ Ҿ਺ ˣ ؔ਺ݺͼग़͠ ˣ จ ˣ ϓϩάϥϜ

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18 ࣮૷จ๏ͷఆٛ

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19 ߏจ໦ QSPHSBN TUNU &0- GVODBMM *%&/5 ʞ ʟ BSHT ʞ ʟ QSJNBSZ 453*/(

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20 SFEVDF ؐݩ ͷྲྀΕৄࡉ QVUT ʞ)FMMP8PSMEʟ *%&/5 453*/( &0-

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21 SFEVDF ؐݩ ͷྲྀΕৄࡉ ελοΫ ঢ়گ ۭ QVUT ʞ)FMMP8PSMEʟ *%&/5 453*/( &0-

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22 SFEVDF ؐݩ ͷྲྀΕৄࡉ ελοΫ ঢ়گ ۭ QSPHSBN QSPHSBNΛؐݩ QVUT ʞ)FMMP8PSMEʟ *%&/5 453*/( &0-

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23 SFEVDF ؐݩ ͷྲྀΕৄࡉ ελοΫ ঢ়گ ۭ QSPHSBN QSPHSBNΛؐݩ QSPHSBN*%&/5 *%&/5Λγϑτ QVUT ʞ)FMMP8PSMEʟ *%&/5 453*/( &0-

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24 SFEVDF ؐݩ ͷྲྀΕৄࡉ ελοΫ ঢ়گ ۭ QSPHSBN QSPHSBNΛؐݩ QSPHSBN*%&/5 *%&/5Λγϑτ QSPHSBN*%&/5b ` `Λγϑτ QVUT ʞ)FMMP8PSMEʟ *%&/5 453*/( &0-

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25 SFEVDF ؐݩ ͷྲྀΕৄࡉ ελοΫ ঢ়گ ۭ QSPHSBN QSPHSBNΛؐݩ QSPHSBN*%&/5 *%&/5Λγϑτ QSPHSBN*%&/5b ` `Λγϑτ QSPHSBN*%&/5b `453*/( 453*/(Λγϑτ QVUT ʞ)FMMP8PSMEʟ *%&/5 453*/( &0-

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26 SFEVDF ؐݩ ͷྲྀΕৄࡉ ελοΫ ঢ়گ ۭ QSPHSBN QSPHSBNΛؐݩ QSPHSBN*%&/5 *%&/5Λγϑτ QSPHSBN*%&/5b ` `Λγϑτ QSPHSBN*%&/5b `453*/( 453*/(Λγϑτ QSPHSBN*%&/5b `QSJNBSZ QSJNBSZʹؐݩ QVUT ʞ)FMMP8PSMEʟ *%&/5 453*/( &0-

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27 SFEVDF ؐݩ ͷྲྀΕৄࡉ ελοΫ ঢ়گ ۭ QSPHSBN QSPHSBNΛؐݩ QSPHSBN*%&/5 *%&/5Λγϑτ QSPHSBN*%&/5b ` `Λγϑτ QSPHSBN*%&/5b `453*/( 453*/(Λγϑτ QSPHSBN*%&/5b `QSJNBSZ QSJNBSZʹؐݩ QSPHSBN*%&/5b `BSH BSHʹؐݩ QVUT ʞ)FMMP8PSMEʟ *%&/5 453*/( &0-

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28 SFEVDF ؐݩ ͷྲྀΕৄࡉ ελοΫ ঢ়گ ۭ QSPHSBN QSPHSBNΛؐݩ QSPHSBN*%&/5 *%&/5Λγϑτ QSPHSBN*%&/5b ` `Λγϑτ QSPHSBN*%&/5b `453*/( 453*/(Λγϑτ QSPHSBN*%&/5b `QSJNBSZ QSJNBSZʹؐݩ QSPHSBN*%&/5b `BSH BSHʹؐݩ QSPHSBN*%&/5b `BSHb ` `Λγϑτ QVUT ʞ)FMMP8PSMEʟ *%&/5 453*/( &0-

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29 SFEVDF ؐݩ ͷྲྀΕৄࡉ ελοΫ ঢ়گ ۭ QSPHSBN QSPHSBNΛؐݩ QSPHSBN*%&/5 *%&/5Λγϑτ QSPHSBN*%&/5b ` `Λγϑτ QSPHSBN*%&/5b `453*/( 453*/(Λγϑτ QSPHSBN*%&/5b `QSJNBSZ QSJNBSZʹؐݩ QSPHSBN*%&/5b `BSH BSHʹؐݩ QSPHSBN*%&/5b `BSHb ` `Λγϑτ QSPHSBNGVODBMM GVODBMMʹؐݩ QVUT ʞ)FMMP8PSMEʟ *%&/5 453*/( &0-

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30 SFEVDF ؐݩ ͷྲྀΕৄࡉ ελοΫ ঢ়گ ۭ QSPHSBN QSPHSBNΛؐݩ QSPHSBN*%&/5 *%&/5Λγϑτ QSPHSBN*%&/5b ` `Λγϑτ QSPHSBN*%&/5b `453*/( 453*/(Λγϑτ QSPHSBN*%&/5b `QSJNBSZ QSJNBSZʹؐݩ QSPHSBN*%&/5b `BSH BSHʹؐݩ QSPHSBN*%&/5b `BSHb ` `Λγϑτ QSPHSBNGVODBMM GVODBMMʹؐݩ QSPHSBNTUNU TUNUʹؐݩ QVUT ʞ)FMMP8PSMEʟ *%&/5 453*/( &0-

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31 SFEVDF ؐݩ ͷྲྀΕৄࡉ ελοΫ ঢ়گ ۭ QSPHSBN QSPHSBNΛؐݩ QSPHSBN*%&/5 *%&/5Λγϑτ QSPHSBN*%&/5b ` `Λγϑτ QSPHSBN*%&/5b `453*/( 453*/(Λγϑτ QSPHSBN*%&/5b `QSJNBSZ QSJNBSZʹؐݩ QSPHSBN*%&/5b `BSH BSHʹؐݩ QSPHSBN*%&/5b `BSHb ` `Λγϑτ QSPHSBNGVODBMM GVODBMMʹؐݩ QSPHSBNTUNU TUNUʹؐݩ QSPHSBNTUNU&0- &0-ΛγϑτɻQSPHSBN͕֬ఆ QVUT ʞ)FMMP8PSMEʟ *%&/5 453*/( &0-

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32 SFEVDF ؐݩ ͷྲྀΕৄࡉ ελοΫ ঢ়گ ۭ QSPHSBN QSPHSBNΛؐݩ QSPHSBN*%&/5 *%&/5Λγϑτ QSPHSBN*%&/5b ` `Λγϑτ QSPHSBN*%&/5b `453*/( 453*/(Λγϑτ QSPHSBN*%&/5b `QSJNBSZ QSJNBSZʹؐݩ QSPHSBN*%&/5b `BSH BSHʹؐݩ QSPHSBN*%&/5b `BSHb ` `Λγϑτ QSPHSBNGVODBMM GVODBMMʹؐݩ QSPHSBNTUNU TUNUʹؐݩ QSPHSBNTUNU&0- &0-ΛγϑτɻQSPHSBN͕֬ఆ QSPHSBN QSPHSBNʹؐݩ QVUT ʞ)FMMP8PSMEʟ *%&/5 453*/( &0-

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࣮૷ 33

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34 ࣮૷ΞΫγϣϯͷఆٛ

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35 ࣮૷ΞΫγϣϯͷ࣮૷

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36 ࣮૷ύʔε εΩϟϯ

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37 ͜͜·Ͱ΍Δͱʜ

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38 ͜͜·Ͱ΍Δͱʜ ࣗ෼Ͱ࡞ͬͨݴޠͰ)FMMP8PSMEͰ͖Δ

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39 ͜͜·Ͱ΍Δͱʜ ৽઱ খฒ

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40 ࢀߟʹͨ͠ຊ 3VCZΛഒ࢖͏ͨΊͷຊແಓฤ

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41 ͜ͷຊΛಡΈਐΊΔͱʜ w ม਺ఆٛ w ԋࢉࢠ w JG XIJMF w ؔ਺ఆٛ ͳͲ͕࣮૷Ͱ͖Δ IUUQTHJUIVCDPNLB[VTVSBDDUSBJOJOH

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42 ۩ମతʹՄೳʹͳΔදݱ

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43 ͚ͬ͜͏ΠέΔ΍Μʜʁ

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44 ͱࢥͬͨΒ w ࣍͸Ϋϥε΄͍ͬ͢͠Ͷ w ϒϩοΫ΋΄͍͠ w ΋ͪΖΜωετ͠·͔͢ΒͶ w ͱ͍ͬͨͱ͜ΖͰܧଓཉ͍͠ͳʔͬͯݴͬͯ͢΂ ͯͻͬ͘Γฦ͠·͔͢Ͷ ࣾ಺ͷ๭ಉ྅

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45 ͓·͚ ܧଓ

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46 ౰વ ·ͩ·ͩԞ͕ਂ͍

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47 ࠷ۙͩͱԕ౻͞Μ͕ຊग़ͯ͠·ͨ͠Ͷ ࠓಡΜͰ·͢ RubyͰͭ͘ΔRuby

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48 ·ͱΊ w 3BDDͰ؆୯ʹݴޠͷ࢓૊ΈΛֶ΂Δ w ීஈͷۀ຿ʹμΠϨΫτʹ׆͖Δ͜ͱ͸ͳ͍͔΋͠Εͳ͍͚Ͳ୯७ʹָ͍͠ͷͰΦεεϝ

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͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠