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RxSwiftに対応したバリデーションをGenericなProtocolで実装してみた / Generic Validation Protocol with RxSwift
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Yuto Yazaki
February 28, 2019
Programming
3
1.1k
RxSwiftに対応したバリデーションをGenericなProtocolで実装してみた / Generic Validation Protocol with RxSwift
https://github.com/yutoyazaki/RxValidationSample
Yuto Yazaki
February 28, 2019
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Transcript
3Y4XJGUʹରԠͨ͠όϦσʔγϣϯΛ (FOFSJDͳ1SPUPDPMͰ࣮ͯ͠Έͨ QPUBUPUJQT 㟒༤ਓ:B[BLJ:VUP
ࣗݾհ w ͓͍͍͠ʂΛ࡞ΔϨγϐಈըϝσΟΞʮNPHVOBʯͷJ04ΤϯδχΞ w ৽ଔ✨ w ֶੜ࣌ʹษڧձӡӦͯ͠·ͨ͠ʢࣾձਓʹͳͬͯൃදॳΊͯʣ άϦʔגࣜձࣾ ࠂɾϝσΟΞࣄۀຊ෦ϥΠϑελΠϧࣄۀ෦ ϝσΟΞάϧʔϓ։ൃνʔϜ
㟒༤ਓ:B[BLJ:VUP
3Y4XJGUʹରԠͨ͠όϦσʔγϣϯΛ (FOFSJDͳ1SPUPDPMͰ࣮ͯ͠Έͨ
3Y4XJGUʹରԠͨ͠όϦσʔγϣϯΛ࡞Γ͍ͨ w Ϣʔβͷೖྗ༰ΛόϦσʔγϣϯ͍ͨ͠ w ྫOจࣈҎ ෆਖ਼ͳॻࣜͷνΣοΫ FUD w Τϥʔͷཧ༝Λఏࣔͯ͠Ϣʔβʹमਖ਼ͯ͠Β͏ w
3Y4XJGUͰόΠϯυ͍ͤͨ͞ w δΣωϦΫεͰ͍͍ײ͡ʹ w όϦσʔγϣϯ͢Δ044ϥΠϒϥϦ͋Δ͕ w ϥΠϒϥϦಋೖ͢Δ΄ͲͰͳ͍͠ w 3Y4XJGUʹରԠͯ͠ͳ͍͠ (FOFSJDͳ1SPUPDPMͰ 3Y4XJGUʹରԠͨ͠7BMJEBUPSΛ࣮͠Α͏
Πϝʔδ Ϣʔβͷೖྗͨ͠จࣈྻ͕ ༗ޮͳͰ͋Ε ૹ৴ϘλϯΛԡͤΔΑ͏ʹ͢Δ
7BMJEBUPSϓϩτίϧ ValueTypeɿόϦσʔγϣϯ͢Δͷܕ ErrorType ɿෆਖ਼ͳͷ߹ͷΤϥʔ validate() ɿόϦσʔγϣϯ݁ՌΛฦ͢
7BMJEBUJPO3FTVMU όϦσʔγϣϯͷਖ਼ޡΛද͢FOVN
7BMJEBUPSͷ࣮ྫ Ϣʔβ໊ͷೖྗཝΛఆͯ͠ ΤϥʔΛఆٛ͢Δ όϦσʔγϣϯͷϩδοΫΛॻ͘ 4USJOH Λೖྗʹ͢Δ
7BMJEBUPSͷ༻ྫ ୯ମͰಈ͘Α͏ʹͳͬͨ ͜ΕΛ3Y4XJGUʹରԠͤ͞Δ
3Y4XJGUͷ0CTFSWBCMF5ZQFʹ WBMJEBUFΦϖϨʔλΛੜ͢ Ҿʹ7BMJEBUPSΛͯ͠ɺ ετϦʔϜʹྲྀΕ͖ͯͨΛόϦσʔγϣϯ͠ɺ ݁ՌΛ7BMJEBUJPO3FTVMUܕͰฦ͢ɻ
ͬͯΈΔ όϦσʔγϣϯʹҾ͔͔ͬͬͨΒˠΤϥʔ༰Λදࣔ ༗ޮͳͰ͋Εˠ4VCNJUϘλϯ͕ԡͤΔΑ͏ʹͳΔ
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·ͱΊ w όϦσʔγϣϯ͢ΔϓϩτίϧΛఆٛ w Ϣχοτςετ͕ॻ͖͍͢ w 3Y4XJGUʹόϦσʔγϣϯͷΦϖϨʔλΛੜ͢ w γϯϓϧͳهड़Ͱݟ௨͠ͷΑ͍ίʔυʹͳΔ w
δΣωϦΫεͷษڧʹͳͬͨ w αϯϓϧίʔυ w IUUQTHJUIVCDPNZVUPZB[BLJ3Y7BMJEBUJPO4BNQMF
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