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ϞόΠϧΞϓϦͰͷ'FBUVSF'MBHಋೖ
4FQ
.PCJMF"DU04","
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© Chatwork
ࣗݾհ
!2
$IBUXPSLגࣜձࣾ
ΫϥΠΞϯτΞϓϦέʔγϣϯ։ൃ෦
Ҫɹষฏ
J04ΞϓϦॻ͍ͨΓͯ͠·͢
UX!UJOQBZ
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େࡕΦϑΟε
കాʹҾͬӽ͠·ͨ͠
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ౡͷ͋ͨΓ
ص
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ϞόΠϧΞϓϦͰ
'FBUVSF'MBHΛಋೖ͢Δ·Ͱ
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© Chatwork
'FBUVSF'MBHʢ'FBUVSF5PHHMFʣͱ
!6
ܧଓతϦϦʔεͱܧଓతσϓϩΠɺίʔσΟϯάʹ͍ͭͯͷϑΟʔυόοΫΛ։ൃऀͨͪʹ
සൟʹఏڙͯ͘͠ΕΔɻ͜ΕΛ࣮ݱ͢Δʹɺෳͷ։ൃऀͨͪͷίʔυΛՄೳͳݶΓૣظʹ
౷߹͢Δ͜ͱ͕ඞཁʹͳΔɻ
ػೳϒϥϯν͜ͷաఔʹൈ͚ಓΛ࡞ͬͯ͠·͏ɻػೳτάϧΛར༻͢Εɺ։ൃऀͨͪϝ
ΠϯͷτϥοΫʹසൟʹιʔεΛ౷߹ͭͭ͠ɺ։ൃதͷػೳೖ͍͚ͬͯΔ࣮ߦܦ࿏ͷτά
ϧΛʮ0''ʯʹ͓͚ͯ͠ɺͦͷػೳʮࢮΜͩʯঢ়ଶʹͳΔɻ৽͍࣮͠ߦܦ࿏Λ༗ޮʹ͢Δ
ͨΊͷ࿑ྗɺ୯ʹτάϧΛʮ0/ʯʹઃఆ͢Δ͚ͩͳͷͰɺेʹখ͍͞ɻ
Ҿ༻ݩ8JLJQFEJB IUUQTKBXJLJQFEJBPSHXJLJϑΟʔνϟʔτάϧ
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© Chatwork
'FBUVSF'MBHʢ'FBUVSF5PHHMFʣͱ
!7
ݸผͷػೳͷ༗ޮແޮΛϑϥάΛར༻ͯ͠ཧ
͢ΔΈ
wػೳΛ0''ʹͨ͠ঢ়ଶͰ͋Ε͍ͭͰϦϦʔεͰ͖
ΔͷͰɺػೳϒϥϯνͷੜଘظ͕ؒ͘ͳΔ
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© Chatwork
࣮Πϝʔδ͜Μͳײ͡
!8
struct Feature {
var isEnabled: Bool
var name: String
}
public final class FeatureFlag {
static let shared = FeatureFlag()
let featureA = Feature(isEnabled: true, name: "ػೳA")
let featureB = Feature(isEnabled: true, name: "ػೳB")
let featureC = Feature(isEnabled: true, name: "ػೳC")
}
class DemoViewModel {
var message: Message?
func delete(){
if FeatureFlag.shared.featureA.isEnabled {
// ػೳA͕༗ޮͳ߹
displayAlert {
self.message?.delete()
}
} else {
self.message?.delete()
}
}
}
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Α͋͘Δέʔε
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ෳਓͰ։ൃΛ͓͜ͳ͍ͬͯΔͱ
৽ػೳͷ։ൃ͕
ฒߦͰಈ͘έʔε
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େ͖Ίͷػೳ"Ճ
ͦͦ͜͜ͷػೳ#Ճ
ͦͦ͜͜ͷػೳ$Ճ
ਓͰ৽ػೳΛ։ൃ͍ͯ͠Δέʔε
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'FBUVSF'MBHΛಋೖ͢Δલ
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ػೳ͝ͱʹϒϥϯνΛ࡞Γ
ͦͷϒϥϯνʹϚʔδ͍ͯ͘͠։ൃϑϩʔ
ػೳ"
ػೳ#
ػೳ$
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© Chatwork
՝
!14
ڊେͳ13ʹͳͬͯ͠·͏
ίϯϑϦΫτ͕େྔʹൃੜͯ͠ɺϚʔδ࡞ۀ͕େมʂ
֤ػೳͷ։ൃऀಉ࢜ͷίϛϡχέʔγϣϯίετ͕૿Ճʂ
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ίϯϑϦΫτ͕େྔʹൃੜͯ͠ɺ
Ϛʔδ࡞ۀ͕େมʂ
ػೳ"
ػೳ#
ػೳ$
͜͜ͷϚʔδ͕
͘͢͝େมʂ
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֤ػೳͷ։ൃऀಉ࢜ͷίϛϡχέʔγϣ
ϯίετ͕૿Ճʂ
ػೳ"ɿλΠϜϥΠϯػೳɺमਖ਼͍ͯͬͯ͠ΔΑɻ
ػೳ#ɿͦͷमਖ਼ೖ͔ͬͯΒͷํ͕ػೳ#ରԠ͚͢͠Ͳɺ
ػೳ"ͷϦϦʔε͍ͩͿઌͩΑͳ͊ɻͲ͏͠Α͏͔ɻ
ػೳ$ɿλΠϜϥΠϯɺ͔ͨ͠͠Βमਖ਼ඞཁ͔ʜ
ڞ༗͓͍ͯͨ͠΄͏͕͍͍͔ͳɻ
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'FBUVSF'MBHΛಋೖͨ͠ޙ
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13͕͙͢ʹϚʔδ͞ΕΔͷͰ
ίϯϑϦΫτ͕ൃੜ͠ʹ͘͘ͳΔ
ػೳ"
ػೳ#
ػೳ$
Ϛʔδָ͕ʂ
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© Chatwork
࣮ࡍʹͬͯΈͨײ
!19
w ৽ػೳͷ࣮͕ͲΜͲΜϚʔδ͞ΕΔΑ͏ʹͳͬͨ
w ଞͷػೳ࣮ͷϦϦʔεΛͭඞཁ͕ͳ͘ͳͬͨ
w 13͕খ͘͞ͳͬͨ
w ίϯϑϦΫτ͕ൃੜ͠ʹ͘͘ͳͬͨ
w ػೳϦϦʔεΛίϯτϩʔϧͰ͖ΔΑ͏ʹͳͬͨ
w ࣾϝϯόʔʹ͚ͩػೳΛ༗ޮʹ͢Δͱ͍͏Α͏ͳϑϩʔ͕؆୯ʹ࣮ݱͰ͖Δ
w Γ͗͢ΔͱϦδΣΫτରʹͳΔͷͰؾΛ͚ͭΔඞཁ͋Γ
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© Chatwork
࣮ࡍʹͬͯΈͨײ
!20
w 4UPSZCPBSE্ͰͷذෆՄೳ
w 4UPSZCPBSEͰQSPQFSUZΛ৭ʑઃఆ͍ͯ͠Δ߹qBHʹΑΔذ͕͍͠
͕ɺ7JFX$POUSPMMFSͰͷذՄೳͳͷͰɺ͋Δఔ6*ͷذͰ͖Δ
w "#ςετͷج൫ͮ͘ΓʹͳΔ
w ϑϥάʹΑͬͯػೳΛΓସ͑ΔͷͰɺ"#ςετ։ൃͷ࣮ʹࣅ͍ͯΔ
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·ͱΊ
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© Chatwork
·ͱΊ
!22
'FBUVSF'MBHͷϝϦοτ
w ͍ͭͰEFWFMPQʹ13ΛϚʔδͰ͖ΔΑ͏ʹͳͬͨ
w ϦϦʔε൛ΞϓϦΛར༻ͯ͠ɺ৽ػೳΛૣ͘ఏڙͰ͖Δ
'FBUVSF'MBHΛͬͯࢥͬͨ͜ͱ
w 4UPSZCPBSEͰͷར༻͍͠ɺେ͖͗͢Δमਖ਼ʹ͍ͯͳ͍
w ϑϥάʹΑΔذͷ࣮Ҋ֎γϯϓϧͳͷͰɺ·ͣͬͯ
ΈͯΑ͔ͬͨ
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https://corp.chatwork.com/ja/recruit/engineer/
ϞόΠϧΞϓϦ
ΤϯδχΞ
ืूͯ͠·͢ʂ
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͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠