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推測するな、計測せよ（Swift編）

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Avatar for Mitsuharu Emoto Mitsuharu Emoto
February 19, 2025
Programming
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 推測するな、計測せよ（Swift編）

YUMEMI.grow Mobile #19
https://yumemi.connpass.com/event/344155/

Avatar for Mitsuharu Emoto

Mitsuharu Emoto

February 19, 2025

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Transcript

  1. ਪଌ͢ΔͳɺܭଌͤΑ ʢ4XJGUฤʣ ߐຊޫ੖  ਫ  :6.&.*HSPX.PCJMF 1

  2. ࣗݾ঺հ w ͑΋ͱΈͭ͸Δ w גࣜձࣾΏΊΈJ04ςοΫϦʔυ w ࠓ೥΋ٕज़ॻయͷقઅ͕དྷ·ͨ͠Ͷ w ࠷ۙ͸ిࢠϖʔύʔͰ༡ΜͰ͍Δˠ 2

  3. ͱ͋ΔίʔυϨϏϡʔʹͯ w %BUF'PSNBUUFSͷ࢖͍ํͰࢦఠͨ͠PS͞Εͨ͜ͱ͸͋Γ·ͤΜ͔ʁ ˞͜ͷίʔυ͓ΑͼϨ Ϗϡʔ͸ΠϝʔδͰ͢ 3

  4. %BUF'PSNBUUFSͷੜ੒ίετ w %BUF'PSNBUUFSͷੜ੒ίετ͕ߴ͍͜ͱ͸ɺଟ͘ͷJ04ΞϓϦΤϯδχ Ξ͸ೝ͍ࣝͯ͠Δ w ͨͩ͠ɺΞοϓϧͷެࣜυΩϡϝϯτʹ͸ੜ੒ίετͷ͜ͱ͸ॻ͍͍ͯͳ ͍ʢ͸ͣʣ w զʑ͸ੜ੒ίετ͕ߴ͍ͱ͍͏ͷΛܦݧతʹशಘ͍ͯ͠Δ 4

  5. 🤔 5

  6. ਪଌ͢ΔͳɺܭଌͤΑ w ࢲ͸%BUF'PSNBUUFSͷੜ੒ίετ͕ߴ͍ͱೝࣝʢਪଌʣ͍ͯ͠Δ w ࣮ࡍʹίετΛܭଌͨ͜͠ͱ͸ͳ͍ w ͳΒ͹ɺੜ੒ίετΛܭଌ͠·͠ΐ͏ 6

  7. ܭଌखஈ w (/65JNF w ܭଌॲཧ͸4XJGU΍1ZUIPOͰ΋࣮૷Ͱ͖Δ͕ɺ࣮૷࣍ୈͰܭଌ͕ϒ Ϩͯ͠·͏ͷͰɺઐ༻ͷܭଌίϚϯυΛར༻͢Δ w )PNF#SFXͰΠϯετʔϧͰ͖ΔʢHUJNFʣ w ͳ͓NBD04͸ɺ͢ͰʹͭͷUJNF͕͋ΔʢUJNF

    VTSCJOUJNFʣ ͕ɺϝϞϦ࢖༻ྔ͕ܭଌͰ͖ͳ͍ 7

  8. ܭଌର৅ w %BUF'PSNBUUFSͰϑΥʔϚοτ͢Δ %BUF'PSNBUUFSΛஞ࣍ੜ੒͢Δ ఆٛࡁΈͷ%BUF'PSNBUUFSΛ࠶ར ༻͢Δ w ϑΥʔϚοτ̍ճͰ͸ҧ͍͕Θ͔Βͳ ͍ͷͰɺສճߦ͏ 8

  9. ܭଌ৚͓݅Αͼ؀ڥ w .BD#PPL1SPΠϯν"QQMF.1SPϝϞϦ(# NBD044POPNBͰߦ͏ w ܭଌର৅ͷίʔυ͸࠷దԽΦϓγϣϯͰϏϧυ͢Δ w ܭଌ͸ճߦ͍ɺͦͷฏۉ஋Λൺֱ͢Δ w ܭଌதʹ.BD#PPL͸ૢ࡞͠ͳ͍͕ɺଞΞϓϦͷόοΫάϥ΢ϯυಈ࡞

    ͰӨڹ͢Δ৔߹͋Γʢެฏʹܭଌ͠·͕͢ɺݫີͳܭଌͰ͸ͳ͍Ͱ͢ʣ 9

  10. ݁Ռ ܭࢉ࣌ؒ ࠷େϝϞϦ࢖༻ྔ $PEF ஞ࣍ੜ੒ ඵ .# $PEF ࠶ར༻ ඵ

    .# 10 ˞4XJGU΍1ZUIPOͰ࡞੒ͨ͠ܭଌϓϩάϥϜͰ΋ܭଌ͍ͯ͠·͕͢ɺ ܭଌ஋͸ͦΕͧΕζϨͯΔɻͨͩ͠ɺܭଌ࣌ؒͷൺֱ͸֓ͶҰகͨ͠ɻ

  11. ·ͱΊ w ʢܭଌલ͔Β༧૝Ͱ͖ͨ݁ՌͰ͕͢ʣ%BUF'PSNBUUFSͷ࣮૷ͷ΍Γํʹ ΑͬͯɺύϑΥʔϚϯεʹӨڹ͢Δͷ͕෼͔ͬͨ w ࣮ࡍʹ։ൃதͷύϑΥʔϚϯε͸9DPEFͷܭଌػೳ΍*OTUSVNFOUTΛ ར༻ͯ͠ܭଌ͠·͠ΐ͏ w ൑அʹ೰ΜͩΒɺਪଌͤͣʹܭଌ͠·͠ΐ͏ w

    ܭଌ͸໘ന͍ 11