5分でわかるExplicitly Built Modules

集まれSwift好き！Swift愛好会スピンオフ WWDC24セッション要約会 @ DeNA - connpass
https://love-swift.connpass.com/event/319801/

Transcript

1. 5෼ͰΘ͔ΔExplicitly built modules WWDC24ཁ໿ձ @giginet
2. 88%$ʹࢀՃ͖ͯͨ͠ https://giginet.hateblo.jp/entry/2024/06/17/110000
3. Demystify explicitly built modules https://developer.apple.com/videos/play/wwdc2024/10171/
4. Explicitly Built Modules • ϞδϡʔϧͷϓϦίϯύΠϧΛࣄલʹߦ͏ઃఆ • ͜ΕΛ༗ޮʹ͢Δ͜ͱͰɺϞδϡʔϧͷϓϦίϯύΠϧΛ໌ࣔతʹߦ͏Α͏ʹ ͳΓϏϧυ͕࣌ؒվળ͞ΕΔʢͱݴͬͯͨʣ
5. 􀩚 ϞδϡʔϧͷϓϦίϯύΠϧ • ෳ਺ͷιʔε͔Β1ͭͷ֎෦ϞδϡʔϧΛimport͍ͯͨ͠ͱ͖ʹɺϞδϡʔϧ ͝ͱʹϓϦίϯύΠϧͨ݁͠ՌΛ͓͍֮͑ͯͯڞ༗͢Δ͜ͱͰϏϧυΛݮΒ͠ ͍ͯΔ • ClangϞδϡʔϧ͸*.pcmɺSwiftϞδϡʔϧ͸*.swiftmoduleͱͯ͠Ωϟο γϡ͞ΕΔ .swiftmodule 􀩚 *.pcm
6. Implicitly Built Modules(͜Ε·Ͱ) 1.ιʔεͷϏϧυΛࢼΈΔ 2.importจΛݟ͚ͭͯswiftinterface/modulemapΛݟΔ 3.ϞδϡʔϧΛϓϦίϯύΠϧ͢Δ •͢ͰʹίϯύΠϧࡁΈͳΒ࠶ར༻͢Δ •·ͩϏϧυ͍ͯ͠ͳ͔ͬͨΒswiftmodule/pcmΛϏϧυ͢Δ
7. https://developer.apple.com/videos/play/wwdc2024/10171/
8. https://developer.apple.com/videos/play/wwdc2024/10171/ ฒྻͰϏϧυ͍ͯ͠Δͱ͖ʹ΄͔ͷϞδϡʔϧͷϏϧυΛ଴͍ͬͯͯ஗͍
9. https://developer.apple.com/videos/play/wwdc2024/10171/
10. https://developer.apple.com/videos/play/wwdc2024/10171/
11. https://developer.apple.com/videos/play/wwdc2024/10171/
13. 1ߦͰΘ͔ΔExplicitly Built Modules • ϞδϡʔϧͷϏϧυΛߦ͖౰ͨΓ͹ͬͨΓʹ΍͍ͬͯͨͷΛܭըΛཱͯΔΑ ͏ʹͨ͠Βແବͳ଴͕ͪ࣌ؒݮͬͨ ࠷ॳ͔Βͦ͏͢Ε͹͍͍ͷʹ 🤖
14. ͳͥΦϓτΠϯͳͷ͔ʁ • Xcode 16ͷॳظ஋Ͱ͸Swiftʹ͍ͭͯ͸ແޮԽ • ·ͩExperimental • ηογϣϯͰ΋Previewͱݴ͍ͬͯΔ • XCCon f igͰ͸_EXPERIMENTAL_SWIFT_EXPLICIT_MODULES (Beta 1࣌఺) • ஗͘ͳΔέʔε΋͋Δʁ • ࣄલͷεΩϟϯͷΦʔόʔϔου
15. https://developer.apple.com/videos/play/wwdc2024/10171/
16. variant • ಉҰͷϞδϡʔϧʹରͯ͠ɺimportͯ͠ΔଆͷϏϧυઃఆͷ૊Έ߹ΘͤʹΑ Γෳ਺ͷpcm/swiftmodule͕ੜ੒͞Ε͏Δ(=variant) • Explicitly Built ModulesΛ༗ޮʹ͢Δ͜ͱͰϨϙʔτΛݟΔ͜ͱ͕Ͱ͖Δ • Generate Swift modules reportͱ͍͏ϏϧυλεΫͰදࣔ͞ΕΔ • Module͝ͱʹCSV͕ు͖ग़͞ΕɺͦΕͧΕͲͷΑ͏ͳvariantʹΑΔόΠ φϦ͔ΛݟΔ͜ͱ͕Ͱ͖Δ • swiftcʹ౉͞ΕͨίϚϯυϥΠϯҾ਺ͷ૊Έ߹Θͤ
19. variantΛݮΒ͢ʹ͸ • ϏϧυઃఆΛτοϓϨϕϧʹ͍ۙॴʹدͤΔ • λʔήοτຖʹϏϧυઃఆΛม͍͑ͯΔͱvariant͕૿͑Δ • preprocessor macroͳͲΛλʔήοτ͝ͱʹ੾Γସ͑ͳ͍ • 1ͭͷϞδϡʔϧ͕༷ʑͳϏϧυઃఆͰϏϧυ͞Εͳ͍Α͏ʹ૊Έ߹ΘͤΛݮΒ͢ https://developer.apple.com/videos/play/wwdc2024/10171/
20. ·ͱΊ • Xcode 16͔ΒϞδϡʔϧϏϧυͷઓུΛม͑Δ͜ͱ͕Ͱ͖Δ • ϨϙʔτΛੜ੒Ͱ͖ɺॏෳ͢ΔϞδϡʔϧͷϏϧυΛݕग़Ͱ͖Δ • ࠩ෼͕ݮΔΑ͏ʹઃఆΛτοϓϨϕϧʹدͤΔ͜ͱͰॏෳϏϧυΛݮΒ͢͜ ͱ͕Ͱ͖Δ • ௐࠪʹ͸໾ཱ͕ͭɺ୯ʹ༗ޮʹ͢Δ͚ͩͰܶతʹϏϧυ଎౓Λվળ͢ΔޮՌ ͸ബͦ͏ͩͬͨʢײ૝ʣ
21. giginet/swift-testing-revolutionary એ఻