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Swiftは最高だよの話
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野瀬田 裕樹
May 29, 2025
Technology
2
320
Swiftは最高だよの話
Swift宣伝資料です
野瀬田 裕樹
May 29, 2025
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Transcript
4XJGU࠷ߴͩΑͷ ΞϓϦ։ൃࣨɹాɹ༟थ
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ྫ֎ॲཧ͕࠷ߴ
4XJGUݕࠪྫ֎Λ࠾༻
4XJGUͷྫ֎ͷجຊϧʔϧ
// ϧʔϧ1ɿΤϥʔͷൃੜՄೳੑ͕͋Δؔఆٛඞͣthrows͕ඞཁ func main() throws {
// ϧʔϧ2ɿthrowsͷؔݺͼग़͠ඞͣtry͕ඞཁ try sample()
// ϧʔϧ3ɿthrowsؔthrows͔ؔdo-catchͷΈݺग़Մ func main1() throws { try sample() } func
main2() { do { try sample() } catch {} }
͜Ε͚ͩ
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ΤϥʔͱฦΓͷϖΞΑΓʁ
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ΤϥʔϋϯυϦϯά͕ڧ੍
ΤϥʔϋϯυϦϯά͕ڧ੍ ݕࠪྫ֎ͳͷͰ
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ΤϥʔͷิՕॴ͕໌֬ USZඞਢͳͷͰ
ෳͷࣜͷ߹͕؆୯
ෳͷࣜͷ߹͕؆୯ USZB USZC USZD CͱDͷUSZলུՄ
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Τϥʔͷແࢹ͕؆୯ @USZ B
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ˣͷهࣄ͕ৄ͍͠Α 4XJGUͷΤϥʔϋϯυϦϯά ͳͥ࠷ઌͳͷ͔
ܕத৺Ͱ࠷ߴ
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Մมঢ়ଶ͕؆୯ʹڞ༗͞ΕΔ
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struct A { var x: Int = 0 } var
a1 = A() var a2 = a1 a1.x = 1 print(a2.x) // ग़ྗɿ0(a1ͱa2Ͱڞ༗͞Εͳ͍)
ྑ͍ײ͡Ͱ͢Ͷ
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ΠϛϡʔλϒϧΫϥεͱಉ͡ ҆શੑ
ϛϡʔλϒϧΫϥεͱಉ͡ มߋ༰қੑ
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શ෦ඪ४Ͱ͋ΔΑ
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͋ͳͨ໌͔Β 4XJGUΛ ͬͯΈΑ͏
͓ΘΓ