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Protocol ͱ Class ͱ SubClass
for Otemachi.swift x Kyobashi.swift #01
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override init() {
super.init()
emplyedBy = "MAGES. 5pb. Game div"
job = "iOS Developer…?"
twitter = "@lovee"
qiita = "@lovee"
github = "el-hoshino"
additionalInfo =
"Unity ਏ͍ʘ(^o^)ʗ"
class Speaker: Developer {
}
}
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খωλ
protocol SomeProtocol {
func printSelf()
}
extension SomeProtocol {
func printSelf() {
print("SomeProtocol")
}
}
protocol SomeProtocol {
}
extension SomeProtocol {
func printSelf() {
print("SomeProtocol")
}
}
≠
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খωλ
protocol SomeProtocol {
func printSelf()
}
extension SomeProtocol {
func printSelf() {
print("SomeProtocol")
}
}
class SomeClass: SomeProtocol {
func printSelf() {
print("SomeClass")
}
}
let sc = SomeClass()
sc.printSelf()
// SomeClass
(sc as SomeProtocol).printSelf()
// SomeClass
protocol SomeProtocol {
}
extension SomeProtocol {
func printSelf() {
print("SomeProtocol")
}
}
class SomeClass: SomeProtocol {
func printSelf() {
print("SomeClass")
}
}
let sc = SomeClass()
sc.printSelf()
// SomeClass
(sc as SomeProtocol).printSelf()
// SomeProtocol
≠
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খωλ
protocol SomeProtocol {
func printSelf()
}
extension SomeProtocol {
func printSelf() {
print("SomeProtocol")
}
}
class SomeClass: SomeProtocol {
func printSelf() {
print("SomeClass")
}
}
let sc = SomeClass()
sc.printSelf()
// SomeClass
(sc as SomeProtocol).printSelf()
// SomeClass
protocol SomeProtocol {
}
extension SomeProtocol {
func printSelf() {
print("SomeProtocol")
}
}
class SomeClass: SomeProtocol {
func printSelf() {
print("SomeClass")
}
}
let sc = SomeClass()
sc.printSelf()
// SomeClass
(sc as SomeProtocol).printSelf()
// SomeProtocol
≠
Protocol ͷ Interface (PI) એݴ
PI σϑΥϧτ࣮
PI ຊ࣮
PI ݺͼग़͠
PI ݺͼग़͠
Protocol ͷ Interface (PI) એݴͳ͠
Protocol ͷ Method (PM) ࣮
Class ͷ Method (CM) ࣮
CM ݺͼग़͠
PM ݺͼग़͠
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খωλ
⬆ৄ͘͠⬆
http://qiita.com/HaNoHito/items/f40bfc1717c1e922a5b0 https://speakerdeck.com/nhamada/swiftniokerumethod-dispatchnituite
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খωλ
protocol SomeProtocol {
func printSelf()
}
extension SomeProtocol {
func printSelf() {
print("SomeProtocol")
}
}
class SomeClass: SomeProtocol {
func printSelf() {
print("SomeClass")
}
}
let sc = SomeClass()
sc.printSelf()
// SomeClass
(sc as SomeProtocol).printSelf()
// SomeClass
protocol SomeProtocol {
}
extension SomeProtocol {
func printSelf() {
print("SomeProtocol")
}
}
class SomeClass: SomeProtocol {
func printSelf() {
print("SomeClass")
}
}
let sc = SomeClass()
sc.printSelf()
// SomeClass
(sc as SomeProtocol).printSelf()
// SomeProtocol
≠
Protocol ͷ Interface (PI) એݴ
PI σϑΥϧτ࣮
PI ຊ࣮
PI ݺͼग़͠
PI ݺͼग़͠
Protocol ͷ Interface (PI) એݴͳ͠
Protocol ͷ Method (PM) ࣮
Class ͷ Method (CM) ࣮
CM ݺͼग़͠
PM ݺͼग़͠
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ຊ
protocol SomeProtocol {
func printSelf()
}
extension SomeProtocol {
func printSelf() {
print("SomeProtocol")
}
}
class SomeClass: SomeProtocol {
func printSelf() {
print("SomeClass")
}
}
let sc = SomeClass()
sc.printSelf()
// SomeClass
(sc as SomeProtocol).printSelf()
// SomeClass
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ຊ
protocol SomeProtocol {
func printSelf()
}
extension SomeProtocol {
func printSelf() {
print("SomeProtocol")
}
}
class SomeClass: SomeProtocol {
}
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ຊ
protocol SomeProtocol {
func printSelf()
}
extension SomeProtocol {
func printSelf() {
print("SomeProtocol")
}
}
class SomeClass: SomeProtocol {
}
class SomeSubClass: SomeClass {
func printSelf() {
print("SomeSubClass")
}
}
class Parent {
let someClass: SomeClass
// init(someClass: SomeClass) { ... }
func printSelf() {
someClass.printSelf()
}
}
let ssc = SomeSubClass()
let p = Parent(someClass: ssc)
ssc.printSelf() // SomeSubClass
p.printSelf() // ?
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ຊ
protocol SomeProtocol {
func printSelf()
}
extension SomeProtocol {
func printSelf() {
print("SomeProtocol")
}
}
class SomeClass: SomeProtocol {
}
class SomeSubClass: SomeClass {
func printSelf() {
print("SomeSubClass")
}
}
class Parent {
let someClass: SomeClass
// init(someClass: SomeClass) { ... }
func printSelf() {
someClass.printSelf()
}
}
let ssc = SomeSubClass()
let p = Parent(someClass: ssc)
ssc.printSelf() // SomeSubClass
p.printSelf() // ?
"ग़ྗʁ
AɿSomeProtocol
BɿSomeClass
CɿSomeSubClass
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ຊ
protocol SomeProtocol {
func printSelf()
}
extension SomeProtocol {
func printSelf() {
print("SomeProtocol")
}
}
class SomeClass: SomeProtocol {
}
class SomeSubClass: SomeClass {
func printSelf() {
print("SomeSubClass")
}
}
class Parent {
let someClass: SomeClass
// init(someClass: SomeClass) { ... }
func printSelf() {
someClass.printSelf()
}
}
let ssc = SomeSubClass()
let p = Parent(someClass: ssc)
ssc.printSelf() // SomeSubClass
p.printSelf() // SomeProtocol
"ग़ྗʁ
AɿSomeProtocol#
BɿSomeClass$
CɿSomeSubClass$
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ຊ
protocol SomeProtocol {
func printSelf()
}
extension SomeProtocol {
func printSelf() {
print("SomeProtocol")
}
}
class SomeClass: SomeProtocol {
}
class SomeSubClass: SomeClass {
func printSelf() {
print("SomeSubClass")
}
}
class Parent {
let someClass: SomeClass
// init(someClass: SomeClass) { ... }
func printSelf() {
someClass.printSelf()
}
}
let ssc = SomeSubClass()
let p = Parent(someClass: ssc)
p.printSelf() // SomeProtocol
// ==
(ssc as SomeClass).printSelf()
// ==
(ssc as SomeProtocol).printSelf()
Protocol ͷ Interface (PI) એݴ
PI ຊ࣮ͳ͠ʢσϑΥϧτ࣮༻ʣ
PI ຊ࣮ʢσϑΥϧτ࣮ʣݺͼग़͠
PI ຊ࣮ʢσϑΥϧτ࣮ʣݺͼग़͠
Class (SomeSubClass) ͷ Method ࣮
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p.printSelf()Ͱ
SomeSubClass Λ
ग़ྗͤ͞Δʹʁ
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ຊ
protocol SomeProtocol {
func printSelf()
}
extension SomeProtocol {
func printSelf() {
print("SomeProtocol")
}
}
class SomeClass: SomeProtocol {
}
class SomeSubClass: SomeClass {
func printSelf() {
print("SomeSubClass")
}
}
class Parent {
let someClass: SomeClass
// init(someClass: SomeClass) { ... }
func printSelf() {
someClass.printSelf()
}
}
let ssc = SomeSubClass()
let p = Parent(someClass: ssc)
p.printSelf() // SomeProtocol
// ==
(ssc as SomeClass).printSelf()
// ==
(ssc as SomeProtocol).printSelf()
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ຊ
protocol SomeProtocol {
func printSelf()
}
extension SomeProtocol {
func printSelf() {
print("SomeProtocol")
}
}
class SomeClass: SomeProtocol {
}
class SomeSubClass: SomeClass {
func printSelf() {
print("SomeSubClass")
}
}
class Parent {
let someClass: SomeClass
// init(someClass: SomeClass) { ... }
func printSelf() {
someClass.printSelf()
}
}
let ssc = SomeSubClass()
let p = Parent(someClass: ssc)
p.printSelf() // SomeProtocol
// ==
(ssc as SomeClass).printSelf()
// ==
(ssc as SomeProtocol).printSelf()
protocol SomeProtocol {
func printSelf()
}
extension SomeProtocol {
func printSelf() {
print("SomeProtocol")
}
}
class SomeClass: SomeProtocol {
}
class SomeSubClass: SomeClass {
func printSelf() {
print("SomeSubClass")
}
}
class Parent {
let someClass: SomeClass
// init(someClass: SomeClass) { ... }
func printSelf() {
someClass.printSelf()
}
}
let ssc = SomeSubClass()
let p = Parent(someClass: ssc)
p.printSelf() // SomeProtocol
// ==
(ssc as SomeClass).printSelf()
// ==
(ssc as SomeProtocol).printSelf()
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ຊ
protocol SomeProtocol {
func printSelf()
}
extension SomeProtocol {
func printSelf() {
print("SomeProtocol")
}
}
class SomeClass: SomeProtocol {
}
class SomeSubClass: SomeClass {
func printSelf() {
print("SomeSubClass")
}
}
class Parent {
let someClass: SomeClass
// init(someClass: SomeClass) { ... }
func printSelf() {
someClass.printSelf()
}
}
let ssc = SomeSubClass()
let p = Parent(someClass: ssc)
p.printSelf() // SomeProtocol
// ==
(ssc as SomeClass).printSelf()
// ==
(ssc as SomeProtocol).printSelf()
protocol SomeProtocol {
func printSelf()
}
extension SomeProtocol {
func printSelf() {
print("SomeProtocol")
}
}
class SomeClass: SomeProtocol {
func printSelf() {
(self as SomeProtocol).printSelf()
}
}
class SomeSubClass: SomeClass {
override func printSelf() {
print("SomeSubClass")
}
}
class Parent {
let someClass: SomeClass
// init(someClass: SomeClass) { ... }
func printSelf() {
someClass.printSelf()
}
}
let ssc = SomeSubClass()
let p = Parent(someClass: ssc)
p.printSelf() // SomeSubClass
// ==
(ssc as SomeClass).printSelf()
// ==
(ssc as SomeProtocol).printSelf()
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ຊ
protocol SomeProtocol {
func printSelf()
}
extension SomeProtocol {
func printSelf() {
print("SomeProtocol")
}
}
class SomeClass: SomeProtocol {
}
class SomeSubClass: SomeClass {
func printSelf() {
print("SomeSubClass")
}
}
class Parent {
let someClass: SomeClass
// init(someClass: SomeClass) { ... }
func printSelf() {
someClass.printSelf()
}
}
let ssc = SomeSubClass()
let p = Parent(someClass: ssc)
p.printSelf() // SomeProtocol
// ==
(ssc as SomeClass).printSelf()
// ==
(ssc as SomeProtocol).printSelf()
protocol SomeProtocol {
func printSelf()
}
extension SomeProtocol {
func printSelf() {
print("SomeProtocol")
}
}
class SomeClass: SomeProtocol {
func printSelf() {
(self as SomeProtocol).printSelf()
}
}
class SomeSubClass: SomeClass {
override func printSelf() {
print("SomeSubClass")
}
}
class Parent {
let someClass: SomeClass
// init(someClass: SomeClass) { ... }
func printSelf() {
someClass.printSelf()
}
}
let ssc = SomeSubClass()
let p = Parent(someClass: ssc)
p.printSelf() // SomeSubClass
// ==
(ssc as SomeClass).printSelf()
// ==
(ssc as SomeProtocol).printSelf()
Protocol ͷ Interface (PI) એݴ
PI ຊ࣮ͳ͠ʢσϑΥϧτ࣮༻ʣ
Class (SomeSubClass) ͷ Method ࣮
PI ຊ࣮ʢσϑΥϧτ࣮ʣݺͼग़͠
PI ຊ࣮ʢσϑΥϧτ࣮ʣݺͼग़͠
Protocol ͷ Interface (PI) એݴ
PI ຊ࣮ʢσϑΥϧτ࣮ྲྀ༻ʣ
PI ຊ࣮ʢαϒΫϥεʹΑΔΦʔόʔϥΠυʣ
PI ຊ࣮ʢσϑΥϧτ࣮ʣݺͼग़͠
PI ຊ࣮ʢΦʔόʔϥΠυࡁΈʣݺͼग़͠
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final ͡Όͳ͍ class ɺ
σϑΥϧτ࣮Λ͏߹Ͱɺ
PI ͷ࣮Λলུͯ͠ͳΒͳ͍ɻ
Զ
݁
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⺄⇾獌K15&%ٛڋق⚸ק猳