オブジェクトしこう

by Masafumi Okura

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ΦϒδΣΫτ͜͠͏ Object-Oriented Conference 2024 OKURA Masafumi, 2024-03-24

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ࣗݾ঺հ • ໊લɿେ૔խ࢙ • ॴଐɿϑϦʔϥϯε • ಘҙݴޠɿRubyʢΦϒδΣΫτࢦ޲εΫϦϓτݴޠʣ • ΤσΟλɿNeovim • ՝֎׆ಈɿKaigi on RailsνʔϑΦʔΨφΠβʔɺOSS׆ಈɺ֤छొஃ ʢEurukoɺσϒαϛɺBuriKaigiͳͲʣ

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͜͠͏

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ʮࢼߦʯࡨޡ

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ᅂ޷

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ΦϒδΣΫτᅂ޷ Object-Oriented Conference 2024 OKURA Masafumi, 2024-03-24

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͓୊

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޷͖ͳ ΦϒδΣΫτ

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nil

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͑ɺnilʁ • RubyͰ͸nil͸NilClassͷΠϯελϯε • nil͕ΦϒδΣΫτͩͱϝιου͕ݺ΂ͯศར • ྫ͑͹to_sͰจࣈྻʹͨ͠ΓͰ͖Δ • ؾΛൈ͍ͯNoMethodErrorʹͳΔͷ͸͍͍ͩͨ͜Ε

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޷͖ͳΫϥε

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UnboundMethod Ϋϥε

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͑ɺϝιουʁ • RubyͰ͸ϝιου΋ΫϥεʢMethodΫϥεʣ • ϝιουͦͷ΋ͷ͸͍ΘΏΔୈҰڃΦϒδΣΫτͰ͸ͳ͍ʢͦͷ༻్ ʹ͸ϒϩοΫΛ࢖͏ʣ͕ɺΦϒδΣΫτԽ͸؆୯ʹͰ͖Δ • UnboundMethodΫϥε͸Πϯελϯε͔Β੾Γ཭͞ΕͨϝιουΛ දݱ͢ΔΫϥε • ͦͷ··Ͱ͸callͰ͖ͳ͍ͷͰɺbind͢Δඞཁ͕͋Δ

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ࣗ༝ͳ ϓϩάϥϛϯάʂ

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ݴޠͷॏཁੑ

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ݴޠ͕ࢥߟΛنఆ͢Δ • ਓ͸ݴޠ͕ఏڙ͢Δ࿮ͷதͰࢥߟ͢Δ • ͦΕ͕ݴޠͷ໾ׂͷҰͭͰ΋͋Δ • ࢖͍ͬͯΔݴޠͷ࿮૊Έ͕Ϧονͩͱɺࢥߟ΋ϦονʹͳΔ • ݴޠʹଉۤ͠͞Λײͨ͡Βҧ͏ݴޠΛࢼͯ͠ΈΔͷ΋ΞϦ͔΋

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ΦϒδΣΫτࢥߟ

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ΦϒδΣΫτࢥߟ Object-Oriented Conference 2024 OKURA Masafumi, 2024-03-24