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4VCKFDU͔Β͡ΊΔ
$PNCJOF
Ӊࠤݟެี
1/17
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ࣗݾհ
w Ӊࠤݟެี
w 鳍鲟鳫鳢鳣גࣜձࣾJ04鲠鳫鲰鳃鲚
w .PCJMF"DU0/-*/&鱬$PNCJOF鱳鲗鱜鲃鱜鱤
2/17
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ٕज़ಉਓࢽͷհ
w ٕज़ॻయ鱬ٕज़ಉਓࢽ鲗ग़鱜鲃鱜鱤
w ݱࡏɺҎԼ鱬ൢചத
w ٕज़ॻయ鳖鱅鲩鲻鳀
w #005)
w ;FOO
3/17
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ࠓճͷ
w ઌ鲀鱮鱳ʮ$PNCJOF鲗鱴鱝鲆鲍鱋ʯ鲗ॻ鱉鱤ࡍ鱳ཪ
w 9DPEF1MBZHSPVOE鱳׆༻
w 4VCKFDU鱳׆༻
4/17
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$PNCJOFͱ
w 4XJGU鱳鳢鲚鲧鲾鲛鳎鳏鳥鲨鳡鳗鳫鲨鱳鳍鳤鱅鳘鳧鱅鲧
w ྨࣅ鱳鲇鱳3Y4XJGU3FBDUJWF4XJGU
w ඪ४鳍鳤鱅鳘鳧鱅鲧鱳鱷鱭鱩鱰Ճ鲔鱨鱤
w ࠓޙɺ࠾༻ࣄྫ鱑૿鱍鲐鱭ࢥ鲔鲑鲐
w ֤छ鱳ඇಉظ鲜鳑鳫鳀鱳鳇鳫鳁鳢鳫鲨鱰鱋鱘鱭鱑鱬鱒鲐
5/17
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$PNCJOFͷෑډΛԼ͍͛ͨ
w 鳢鲚鲧鲾鲛鳎鳏鳥鲨鳡鳗鳫鲨鱨鱫ɾɾɾ
w ෑډ鱑ߴ鱉ɺֶश鲫鲱鳀鱑ߴ鱉ɺ鱭鱉鱋鲜鳙鱅鲰
w 鱜鱐鱜ɺ࣮鱴鱢鲘鱯鱰鱜鱔鱯鱉
w 鱢鱘鱬ɺෑډ鲗Լ鱗鱤鱉
6/17
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ֶͿํ
鳏鳥鲨鳡鳖鱬鱇鲑鱵ɺݴ༿鱬鱇鲑鱘鲑આ໌鱞鲐લ鱰ɺ
࣮ࡍ鱰鲫鱅鳁鲗ॻ鱉鱫ಈ鱐鱜鱫鲄鲐鱳鱑ཧղ鱑ૣ鱉鱥鲒鱋
ʮ$PNCJOF鲗鱴鱝鲆鲍鱋ʯ鲍鲏ൈਮ
w 9DPEF1MBZHSPVOE鱬鱞鱕鱰ಈ鱐鱠鲐鲫鱅鳁鲗༻ҙ
w 鱞鱕ಈ鱐鱠鲐鲍鱋鱰鱞鲐鱘鱭鱬ෑډ鲗Լ鱗鲐ૂ鱉
7/17
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9DPEF1MBZHSPVOEͰ͙͢ಈ͔ͤΔྫ
let subject = PassthroughSubject()
subject
.sink { value in
print("Received value:", value)
}
subject.send("͋")
subject.send("͍")
subject.send("͏")
8/17
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1VCMJTIFSʹ4VCKFDUΛ࠾༻
w 1VCMJTIFSඇಉظ鲜鳑鳫鳀鲗ૹ৴鱞鲐鲇鱳
w 鲃鱟鱴鱘鲑鲗鲐鱳鱑$PNCJOF鲗鲐ୈҰา
w ࠷ॳ鱳1VCMJTIFS鱭鱜鱫PassthroughSubject鲗࠾༻
w 鱘鱳鲉鲏ํ鱴ɺଞ鱳ղઆ鱬鱴鱇鲃鲏ݟ鱐鱖鱯鱉
w 鱯鱡4VCKFDU鲗࠾༻鱜鱤鱳鱐ʁ
9/17
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/PUJpDBUJPO$FOUFSͷྫ
w $PNCJOF鱳ղઆ鱬鲍鱔鲔鲑鲐
let myNotification = Notification.Name("MyNotification")
let publisher =
NotificationCenter.default.publisher(for: myNotification)
publisher
.sink { value in
print("Received value:", value)
}
10/17
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/PUJpDBUJPO$FOUFSͷྫͷརͱܽ
w རɿNotificationCenter鱴鱨鱫鱉鲐ਓ鱑ଟ鱔ɺಋೖ鱭
鱜鱫鱐鲏鲉鱞鱉
w རɿඪ४鱬publisher鳙鲵鲻鳁鱑༻ҙ鱚鲑鱫鱉鱫ศར
w ܽɿ୯७鱯鲜鳑鳫鳀鱜鱐ൃੜ鱚鱠鲎鲑鱯鱉
11/17
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$PNCJOFͷΠϕϯτ
w 鲜鳑鳫鳀鱴ҎԼ鱳छྨ
w
w 鲜鳑鳫鳀ྃʢ.finishedʣ
w 鲠鳡鱅ʢ.failureʣ
w 鱘鲑鲎鲗ࣗ༝鱰ൃੜ鱚鱠鲎鲑鲐鲀鱋鱑ֶ鱸鲉鱞鱉
12/17
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4VCKFDUͷྫ
let subject = PassthroughSubject()
subject.send("͋")
subject.send(completion: .finished)
subject.send(completion: .failure(.failed))
enum MyError: Error {
case failed
}
13/17
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4VCKFDUͷྫͷར
w छྨ鱳鲜鳑鳫鳀鲗؆୯鱰ൃੜ鱚鱠鲎鲑鲐
w NotificationCenter鱴鱳鲜鳑鳫鳀鱜鱐鱯鱐鱨鱤
w 9DPEF1MBZHSPVOE鱬鲫鱅鳁鲗ॻ鱉鱫ֶ鱻鱭鱉鱋ํ鱰߹க
w 鱥鱐鲎4VCKFDU鲗࠾༻鱜鱤
14/17
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4VCKFDUͷҙ
w Ұൠత鱯1VCMJTIFS鱴鲜鳑鳫鳀鱑ྲྀ鲑鱫鱔鲐鱥鱖
w 4VCKFDU鱴send鱬鲜鳑鳫鳀鲗ҙਤత鱰ൃੜ鱚鱠鲐鱘鱭鱑鱬鱒鲐
w ศར鱯ػೳ鱥鱑ɺ1VCMJTIFS鱭鱜鱫鱴༨鱯ׂ
w 鱘鱳鱴4VCKFDU鱑1VCMJTIFS鱳ྫ鱭鱜鱫ྑ鱔鱯鱉ཧ༝鱰鱯鲐
15/17
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4VCKFDUͷܕফڈ
w Subject鲗AnyPublisherܕ鱭鱜鱫ݟ鱠鲐
let subject = PassthroughSubject()
let publisher = subject.eraseToAnyPublisher()
w 鲜鳑鳫鳀ड৴ଆ鱰鱴publisher鱳鲀鱋鲗鲔鱠鲐
w ࣮ࡍ鱳鲚鳏鳢ઃܭ鱬鱴ɺ্ड़鱳ํ๏鲗ར༻鱞鲐鱳鱑鲃鱜鱉
16/17
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·ͱΊ
w $PNCJOF鲗ֶ鱻鱰鱴9DPEF1MBZHSPVOE鱑ྑ鱉
w 4VCKFDU鱴9DPEF1MBZHSPVOE鱬鱳ֶ鱸鱰鱉鱫鱉鲐
w 鱤鱥鱜Ұൠత鱯1VCMJTIFS鱭ҟ鱯鲐鲇鱇鲐鱳鱬ҙ
17/17