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Objective-C
J04%$
IUUQTJPTEDKQOPEF
ৄղ
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ࣗݾհ
໊લኍ༤େ
৬छJ04&OHJOFFS
໊͋ͩ4UBSޤ৯
4XJGUͷϥΠϒϥϦΛ͍͔ͭ͘࡞ͬͯެ։ͯ͠·͢
ελʔ͍ͩ͘͞
CBOO[BJ
ZIJSPTF
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ࠓ͓͢͠Δ͜ͱɾ͍ͨ͜͠ͱ
IUUQTJPTEDKQOPEF
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ࠓͷλʔήοτ
IUUQTJPTEDKQOPEF
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ࠓͷλʔήοτ
IUUQTJPTEDKQOPEF
ओʹ4XJGUͰJ04։ൃ͍ͯ͠Δํ
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ࠓͷλʔήοτ
IUUQTJPTEDKQOPEF
0CKFDUJWF$͕࿀͘͠ͳͬͯདྷͨํ
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ࠓͷλʔήοτ
IUUQTJPTEDKQOPEF
0CKFDUJWF$ͷ͜ͱΛ͋·ΓΒͳ͍ํ͚
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ࠓͷλʔήοτ
IUUQTJPTEDKQOPEF
ͪΖΜͦ͏͡Όͳ͍ํָ͠ΜͰ͍ͩ͘͞
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ͲͪΒ͔ͱ͍͏ͱද໘తͳ͜ͱͷ͓
IUUQTJPTEDKQOPEF
جຊతͳػೳ͔ΒԠ༻·Ͱ
࣌ؒͷڐ͢ݶΓ͓͑͠·͢
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͜ͷൃදͷ0CKFDUJWF$
J04։ൃͳͷͰ'PVOEBUJPOΛ༻͢Δ͜ͱલఏͰ͠·͢
"3$/PU.3$
1VSF0CKFDUJWF$/PU0CKFDUJWF$
$ݴޠग़͖ͯ·͢
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ຊ
جຊ
Ϋϥεͷએݴ
ϝιου
એݴ
࣮
ݺͼग़͠
#MPDLT
.BDSP
Ԡ༻
- Type inference.
- Method chain.
- The strongest Objective-C I thought
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Ϋϥεͷએݴ
CustomClass.h
@interface CustomClass : NSObject
@end
CustomClass.m
#import “CustomClass.h"
@implementation CustomClass
@end
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Ϋϥεͷએݴ
CustomClass.h
@interface CustomClass : NSObject
// ͜͜ʹΠϯλʔϑΣʔε
@end
CustomClass.m
#import “CustomClass.h"
@implementation CustomClass
// ͜͜ʹ࣮
@end
I ϔομʔϑΝΠϧ
ͱ
N ϝΠϯϑΝΠϧ
Λ࡞Δ
9DPEFͰΫϥεΛ࡞ΔͱͰ͖͍ͯ·͢
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Ϋϥεͷએݴ
CustomClass.h
@interface CustomClass : NSObject
// ͜͜ʹΠϯλʔϑΣʔε
@end
CustomClass.m
#import “CustomClass.h"
@implementation CustomClass
// ͜͜ʹ࣮
@end
IϑΝΠϧΠϯλʔϑΣʔεΛఆٛ͢Δ
ͨΊͷϑΝΠϧ
IϑΝΠϧʹΫϥεΛએݴ͠ͳ͍ͱଞͷΫ
ϥε͔ΒݟΔ͜ͱ͕Ͱ͖ͳ͍
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$MBTTͷએݴ
CustomClass.h
@interface CustomClass : NSObject
// ͜͜ʹΠϯλʔϑΣʔε
@end
CustomClass.m
#import “CustomClass.h"
@implementation CustomClass
// ͜͜ʹ࣮
@end
͍͍ͩͨ/40CKFDU͘͠
/40CKFDUΛܧঝ͍ͯ͠ΔΫϥεΛ
ܧঝ͓͚ͯ͠0,
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Ϋϥεͷએݴ
CustomClass.h
@interface CustomClass : NSObject
// ͜͜ʹΠϯλʔϑΣʔε
@end
CustomClass.m
#import “CustomClass.h"
@implementation CustomClass
// ͜͜ʹ࣮
@end
NʹIͰએݴͨ͠༰Λ࣮͍ͯ͘͠
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CustomClass.h
@interface CustomClass : NSObject
// ͜͜ʹΠϯλʔϑΣʔε
@end
ϝιουͷએݴ
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CustomClass.h
@interface CustomClass : NSObject
+ (instancetype)method;
- (void)method:(NSObject *)hoge;
- (NSObject *)method:(NSObject *)hoge with:(NSObject
*)fuga;
@end
͜Μͳײ͡
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CustomClass.h
@interface CustomClass : NSObject
+ (instancetype)method;
- (void)method:(NSObject *)hoge;
- (NSObject *)method:(NSObject *)hoge with:(NSObject
*)fuga;
@end
ϝιουͷએݴ
͕͜͜ฦΓ
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CustomClass.h
@interface CustomClass : NSObject
+ (instancetype)method;
- (void)method:(NSObject *)hoge;
- (NSObject *)method:(NSObject *)hoge with:(NSObject
*)fuga;
@end
ϝιουͷએݴ
ϝιουͷ໊લ
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CustomClass.h
@interface CustomClass : NSObject
+ (instancetype)method;
- (void)method:(NSObject *)hoge;
- (NSObject *)method:(NSObject *)hoge with:(NSObject
*)fuga;
@end
ϝιουͷએݴ
ୈೋҾҎ߱ʹ-BCFM͕ͭ͘
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CustomClass.h
@interface CustomClass : NSObject
+ (instancetype)method;
- (void)method:(NSObject *)hoge;
- (NSObject *)method:(NSObject *)hoge with:(NSObject
*)fuga;
@end
ϝιουͷએݴ
AA͕Ϋϥεϝιου
4XJGUͩͱADMBTTGVODA
AA͕Πϯελϯεϝιου
4XJGUͩͱAGVODA
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CustomClass.h
@interface CustomClass : NSObject
+ (instancetype)method;
- (void)method:(NSObject *)hoge;
- (NSObject *)method:(NSObject *)hoge with:(NSObject
*)fuga;
@end
ϝιουͷએݴ
AJOTUBODFUZQFAࣗͷ
ΠϯελϯεͷܕΛද͢એݴ
ܧঝઌͰ͜ͷϝιουΛͭ߹
ܧঝઌͷܕͱͯ͠ฦΔ
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@interface CustomClass : NSObject
+ (instancetype)method;
@end
@interface CustomClass2 : CustomClass
//- (instancetype)method;
@end
JOTUBODFUZQFʹ͍ͭͯ
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@interface CustomClass : NSObject
+ (instancetype)method;
@end
@interface CustomClass2 : CustomClass
//- (instancetype)method;
@end
JOTUBODFUZQF ͜ͷ߹ͷAJOTUBODFUZQFA
$VTUPN$MBTT
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@interface CustomClass : NSObject
+ (instancetype)method;
@end
@interface CustomClass2 : CustomClass
//- (instancetype)method;
@end
JOTUBODFUZQF ͜ͷ߹ͷAJOTUBODFUZQFA
$VTUPN$MBTT
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CustomClass.m
#import “CustomClass.h"
@implementation CustomClass
// ͜͜ʹ࣮
@end
ϝιουͷ࣮
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CustomClass.m
#import “CustomClass.h"
@implementation CustomClass
+ (instancetype)method1 {
CustomClass *custom = [[CustomClass alloc] init];
return custom;
}
- (void)method: (NSObject *)hoge {
// do something...
}
@end
͜Μͳײ͡
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CustomClass.m
#import “CustomClass.h"
@implementation CustomClass
+ (instancetype)method1 {
CustomClass *custom = [[CustomClass alloc] init];
return custom;
}
- (void)method: (NSObject *)hoge {
// do something...
}
@end
ϝιουͷ࣮
IͰॻ͔Ε͍ͯΔ௨Γʹએݴ͠ɺ
\^είʔϓͷதͰϝιουͷ࣮
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CustomClass.m
#import “CustomClass.h"
@implementation CustomClass
+ (instancetype)method1 {
CustomClass *custom = [[CustomClass alloc] init];
return custom;
}
- (void)method: (NSObject *)hoge {
// do something...
}
@end
ϝιουͷ࣮
ϩʔΧϧมASFUVSOAจͱ͔ࡉ͔͍͜
ͱʹׂ͍ͭͯѪ
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@interface CustomClass : NSObject
+ (instancetype)method;
@end
@implementation CustomClass2
- (void)someMethod {
CustomClass* object = [[CustomClass alloc] init];
[object method];
}
@end
ϝιουͷݺͼग़͠
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@interface CustomClass : NSObject
+ (instancetype)method;
@end
@implementation CustomClass2
- (void)someMethod {
CustomClass* object = [[CustomClass alloc] init];
[object method];
}
@end
$VTUPN$MBTT͔Β$VTUPN$MBTTΛ͏
ҧ͏Ϋϥε
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@interface CustomClass : NSObject
+ (instancetype)method;
@end
@implementation CustomClass2
- (void)someMethod {
CustomClass* object = [[CustomClass alloc] init];
[object method];
}
@end
ϝιουͷݺͼग़͠
͜ͷೋͭʹ
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@interface CustomClass : NSObject
- (instancetype)method;
@end
@implementation CustomClass2
- (void)someMethod {
CustomClass* object = [[CustomClass alloc] init];
[object method];
}
@end
ϝιουͷݺͼग़͠
0CKFDUJWF$ͷϝιουͷݺͼग़͠
ͷܗʹͳΔ
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@interface CustomClass : NSObject
- (instancetype)method;
@end
@implementation CustomClass2
- (void)someMethod {
CustomClass* object = [[CustomClass alloc] init];
[object method];
}
@end
ϝιουͷݺͼग़͠
͜ͷ߹
A3FDFJWFSAA$VTUPN$MBTTA
ΫϥεʹϝιουΛૹ͍ͬͯΔͷͰ
͜ΕΫϥεϝιουͷݺͼग़͠
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@interface CustomClass : NSObject
- (instancetype)method;
@end
@implementation CustomClass2
- (void)someMethod {
CustomClass* object = [[CustomClass alloc] init];
[object method];
}
@end
ϝιουͷݺͼग़͠
͜ͷ߹
A3FDFJWFSAAPCKFDUA
$VTUPN$MBTTܕͷΠϯελϯεʹ
ϝιουΛૹ͍ͬͯΔͷͰ
Πϯελϯεϝιου
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@interface CustomClass : NSObject
- (instancetype)method;
@end
@implementation CustomClass2
- (void)someMethod {
CustomClass* object = [[CustomClass alloc] init];
[[object method] method];
}
@end
ϝιουͷݺͼग़͠
ͪͳΈʹϝιουνΣΠϯΛ
͢Δͱ͜͏ͳΔ
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@interface CustomClass : NSObject
+ (instancetype)method;
@end
@implementation CustomClass2
- (void)someMethod {
CustomClass* object = [[CustomClass alloc] init];
[[[[object method] method] method];
}
@end
ϝιουͷݺͼग़͠
ʜ
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ʜ
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[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[
[[[[[[[[[[[[object method] method] method] method] method] method]
method] method] method] method] method] method] method] method] method]
method] method] method] method] method] method] method] method] method]
method] method] method] method] method] method] method] method] method]
method] method] method] method] method] method] method] method] method]
method] method] method] method] method] method] method] method] method]
method] method] method] method] method] method] method] method] method]
method] method] method] method] method] method] method] method] method]
method] method] method] method] method] method] method] method] method]
method] method] method] method] method]
;
ϝιουνΣΠϯΛ͢Δͱ<>͕͍ͬͺ͍ʹ
ͳΔ
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ݟ͕ͨ
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<>͚ͭ͗ͯ͢
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Χοίѱ͍
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ݴ͍͔͚ͨͬͨͩͰ͢
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ຊ
جຊ
Ϋϥεͷએݴ
ϝιου
એݴ
࣮
ݺͼग़͠
#MPDLT
.BDSP
Ԡ༻
- Type inference.
- Method chain.
- The strongest Objective-C I thought
࣍͜͜
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#MPDLTͱ
4XJGUͰ͍͏ͱ͜Ζͷ$MPTVSF ͬΆ͍ͷ
$MPTVSFΑΓѻ͍ͮΒ͍
ॻ͖ํ͕ࡶ
ॻ͖ํΛ͍ͭΕΔ
IUUQGVDLJOHCMPDLTZOUBYDPNهࡌͷํ͔͜͜Β
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#MPDLTͱ
4XJGUͰ͍͏ͱ͜Ζͷ$MPTVSF ͬΆ͍ͷ
$MPTVSFΑΓѻ͍ͮΒ͍
ॻ͖ํ͕ࡶ
ॻ͖ํΛ͍ͭΕΔ
IUUQGVDLJOHCMPDLTZOUBYDPNهࡌͷํ͔͜͜Β
એݴ͢ΔॴʹΑͬͯॻ͖ํ͕มΘΔ
ৄ͍͠એݴͷํ͔͜͜ΒΈ͍ͯͩ͘͞
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ࠓճϓϩύςΟͷΈհ
એݴ
!JOUFSGBDF$VTUPN$MBTT/40CKFDU
@property (nonatomic, copy) NSObject* (^blocks)(NSInteger);
@end
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ࠓճϓϩύςΟͷΈհ
એݴ
!JOUFSGBDF$VTUPN$MBTT/40CKFDU
@property (nonatomic, copy) NSObject* (^blocks)(NSInteger);
@end
0CKFDUJWF$ͷϓϩύςΟͷએݴ
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ࠓճϓϩύςΟͷΈհ
એݴ
!JOUFSGBDF$VTUPN$MBTT/40CKFDU
@property (nonatomic, copy) NSObject* (^blocks)(NSInteger);
@end
͜͜ʹଐੑ
ৄࡉলུ
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ࠓճϓϩύςΟͷΈհ
એݴ
!JOUFSGBDF$VTUPN$MBTT/40CKFDU
@property (nonatomic, copy) NSObject* (^blocks)(NSInteger);
@end
$PQZΛ͚ͭΔඞཁ͕͋Δ
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ࠓճϓϩύςΟͷΈհ
એݴ
!JOUFSGBDF$VTUPN$MBTT/40CKFDU
@property (nonatomic, copy) NSObject* (^blocks)(NSInteger);
@end
ฦΓͷܕ
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ࠓճϓϩύςΟͷΈհ
એݴ
!JOUFSGBDF$VTUPN$MBTT/40CKFDU
@property (nonatomic, copy) NSObject* (^blocks)(NSInteger);
@end
#MPDLTͷ໊લ
ϓϩύςΟͷ໊લ
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ࠓճϓϩύςΟͷΈհ
એݴ
!JOUFSGBDF$VTUPN$MBTT/40CKFDU
@property (nonatomic, copy) NSObject* (^blocks)(NSInteger);
@end
Ҿͷܕ
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#MPDLTͰͳ͍߹
એݴ
!JOUFSGBDF$VTUPN$MBTT/40CKFDU
!QSPQFSUZ OPOBUPNJD
DPQZ
/40CKFDUPCKFDU
@end
#MPDLTͰͳ͍߹͜Μͳײ͡
͜͜ʹอ࣋͢ΔܕͱϓϩύςΟ໊Λهࡌ
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#MPDLTͷϓϩύςΟΛ͏
͏
- (void)someMethod {
self.blocks = ^NSObject* (NSInteger integer) {
NSLog(@"log: %ld", integer);
return [[NSObject alloc] init];
};
self.blocks(1); // log: 1
}
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#MPDLTͷϓϩύςΟΛ͏
͏
- (void)someMethod {
self.blocks = ^NSObject* (NSInteger integer) {
NSLog(@"log: %ld", integer);
return [[NSObject alloc] init];
};
self.blocks(1); // log: 1
}
ฦΓ
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#MPDLTͷϓϩύςΟΛ͏
͏
- (void)someMethod {
self.blocks = ^NSObject* (NSInteger integer) {
NSLog(@"log: %ld", integer);
return [[NSObject alloc] init];
};
self.blocks(1); // log: 1
}
Ҿ
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#MPDLTͷϓϩύςΟΛ͏
͏
- (void)someMethod {
self.blocks = ^NSObject* (NSInteger integer) {
NSLog(@"log: %ld", integer);
return [[NSObject alloc] init];
};
self.blocks(1); // log: 1
} \^ͷத͕࣮
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#MPDLTͷϓϩύςΟΛ͏
͏
- (void)someMethod {
self.blocks = ^NSObject* (NSInteger integer) {
NSLog(@"log: %ld", integer);
return [[NSObject alloc] init];
};
self.blocks(1); // log: 1
} ࣮ߦ͢Δͱ͖
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4FMGΛΩϟϓνϟ͍ͨ͠ͱ͖
͏
- (void)someMethod {
self.blocks = ^NSObject* (NSInteger integer) {
NSLog(@"log: %@", self);
return [[NSObject alloc] init];
};
}
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4FMGΛΩϟϓνϟ͍ͨ͠ͱ͖
͏
- (void)someMethod {
self.blocks = ^NSObject* (NSInteger integer) {
NSLog(@"log: %@", self);
return [[NSObject alloc] init];
};
}
TFMGΛΩϟϓνϟ͢Δͱ
॥ࢀর͕ى͖ͯ͠·͏
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ऑࢀরΛ͏
͏
- (void)someMethod {
__weak CustomClass *weakSelf = self;
self.blocks = ^NSObject* (NSInteger integer) {
NSLog(@"log: %@", weakSelf);
return [[NSObject alloc] init];
};
}
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ऑࢀরΛ͏
͏
- (void)someMethod {
__weak CustomClass *weakSelf = self;
self.blocks = ^NSObject* (NSInteger integer) {
NSLog(@"log: %@", weakSelf);
return [[NSObject alloc] init];
};
}
XFBLͷTFMGͷࢀরΛ࣋ͭ
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ऑࢀরΛ͏
͏
- (void)someMethod {
__weak CustomClass *weakSelf = self;
self.blocks = ^NSObject* (NSInteger integer) {
NSLog(@"log: %@", weakSelf);
return [[NSObject alloc] init];
};
}
CMPDLTͷதͰXFBL4FMGΛ͏
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॥ࢀর͕ى͖Δ߹ؾΛ͚ͭΑ͏
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ຊ
جຊ
Ϋϥεͷએݴ
ϝιου
એݴ
࣮
ݺͼग़͠
#MPDLT
.BDSP
Ԡ༻
- Type inference.
- Method chain.
- The strongest Objective-C I thought
࣍͜͜
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.BDSPͱ
ϓϩάϥϜதͷจࣈྻΛ͋Β͔͡Ίఆٛͨ͠نଇʹ͕ͨͬͯ͠ஔ
͢Δػೳͷ͜ͱΛ͍͍·͢
Ҿ༻$ݴޠͷϚΫϩͷجຊʹ͍ͭͯ
IUUQXXXDMBOHPSHEFUBJMNBDSP@CBTJDIUNM
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.BDSPͱ
ϓϩάϥϜதͷจࣈྻΛ͋Β͔͡Ίఆٛͨ͠نଇʹ͕ͨͬͯ͠ஔ
͢Δػೳͷ͜ͱΛ͍͍·͢
Ҿ༻$ݴޠͷϚΫϩͷجຊʹ͍ͭͯ
IUUQXXXDMBOHPSHEFUBJMNBDSP@CBTJDIUNM
͜Ε͚ͩݴΘΕͯΘ͔Βͳ͍ͱࢥ͏ͷͰ
ͬͯΈ·͠ΐ͏
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.BDSPͱ
ϓϩάϥϜதͷจࣈྻΛ͋Β͔͡Ίఆٛͨ͠نଇʹ͕ͨͬͯ͠ஔ
͢Δػೳͷ͜ͱΛ͍͍·͢
Ҿ༻$ݴޠͷϚΫϩͷجຊʹ͍ͭͯ
IUUQXXXDMBOHPSHEFUBJMNBDSP@CBTJDIUNM
·͔ͣ͜͜Β
نଇͷఆٛΛ͢Δ
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نଇΛఆٛ͢Δ
#define Log NSLog(@"ίίϮτΦολϤʔ")
ఆٛεϧϤʔએݴ
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نଇΛఆٛ͢Δ
#define Log NSLog(@"ίίϮτΦολϤʔ")
͜ͷఆٛͷ໊લ
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.BDSPͱ
ϓϩάϥϜதͷจࣈྻΛ͋Β͔͡Ίఆٛͨ͠نଇʹ͕ͨͬͯ͠ஔ
͢Δػೳͷ͜ͱΛ͍͍·͢
Ҿ༻$ݴޠͷϚΫϩͷجຊʹ͍ͭͯ
IUUQXXXDMBOHPSHEFUBJMNBDSP@CBTJDIUNM
࣍͜͜Λ֬ೝ
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نଇΛఆٛ͢Δ
#define Log NSLog(@"ίίϮτΦολϤʔ")
ஔ͢Δ༰
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ஔ͢Δ༰
#define Log NSLog(@"ίίϮτΦολϤʔ")
-PHͱϓϩάϥϜதʹॻ͘ͱ
/4-PH !lίίϮτΦολϤʔ
ʹஔ͞ΕΔ
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ͭ·Γ͜͏ͳΔ
#define Log NSLog(@"ίίϮτΦολϤʔ")
- (void)someMethod {
Log;
}
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ͭ·Γ͜͏ͳΔ
#define Log NSLog(@"ίίϮτΦολϤʔ")
- (void)someMethod {
Log; // ίίϮτΦολϤʔ
}
͕͜͜
/4-PH !lίίϮτΦολϤʔ
ஔ͞ΕΔ
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.BDSPʹ͍ͭͯ
ଞʹҾΛऔΔ͜ͱ͕Ͱ͖ͨΓ
ఆͱͯ͠એݴ͢ΔΑ͏ͳ͍ํͩͬͨΓ
τʔΫϯͱݺΕΔػೳͩͬͨΓ͕͋ΔͷͰ
ௐͯΈΔͱ໘ന͍Ͱ͢
ඇৗʹڧྗͰ͕͍͗͢͢ʹ͝ҙ
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ຊ
جຊ
Ϋϥεͷએݴ
ϝιου
એݴ
࣮
ݺͼग़͠
#MPDLT
.BDSP
Ԡ༻
- Type inference.
- Method chain.
- The strongest Objective-C I thought
͔͜͜Β͕ຊʹ͔ͨͬͨ͠༰ͩ͊ʂ
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5ZQFJOGFSFODF
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5ZQFJOGFSFODF ܕਪ
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0CKFDUJWF$ͷܕ
0CKFDUJWF$ϓϩάϥϜதʹܕΛهड़͢Δ͜ͱ͕Ͱ͖·͕͢ɺ࣮
ࡍ3VOUJNFͰܕ͕ܾ·Δಈతܕ͚ݴޠͰ͢ɻ
ϓϩάϥϜதʹܕΛએݴ͢Δ͜ͱͰ*%&ͷิ͕ޮ͖͍͢ͱݴͬ
ͨར͕͋Γ·͢ɻ
࣮ࡍʹಈతܕ͚Ͱ͋Δ͜ͱʹมΘΒͳ͍ͷͰ͕͢ɺ*%&͕ղ
ऍ͢ΔܕΛਪͤ͞Δ͜ͱ͕Ͱ͖·͢ɻ
ͦ͏ɺ@@BVUP@UZQFͳΒͶ
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@@BVUP@UZQF
- (void)someMethod {
__auto_type string = @"hogehoge";
string.length;
}
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@@BVUP@UZQF
- (void)someMethod {
__auto_type string = @"hogehoge";
string.length;
}
ීஈܕΛએݴ͢Δॴʹ
@@BVUP@UZQF
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@@BVUP@UZQF
- (void)someMethod {
__auto_type string = @"hogehoge";
string.length;
}
/44USJOHͷMFOHUI
ϓϩύςΟʹΞΫηεͰ͖Δ
ͭ·ΓܕਪΛͯ͘͠ΕΔ
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@@BVUP@UZQF
- (void)someMethod {
__auto_type string = @"hogehoge";
string.length;
}
ѹతਪ
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.FUIPEDIBJO
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.FUIPEDIBJO MJLF4XJGU
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4XJGUͬΆ͘
.FUIPEDIBJO
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4XJGUͬΆ͘
.FUIPEDIBJO
͑ʁ0CKFDUJWF$ͬͯ͋ͷϝιουݺͼग़͢ͱ͖ʹ<>͚ͭ͗ͯ͢Χοί
ѱ͍ݴޠͰ͠ΐʁ
ͦ͏ࢥͬͨͦ͜ͷ͋ͳͨਖ਼ղͰ͢ɻ
೦ͳ͕Βϝιουݺͼग़͠<>͚ͭΔͷ͕0CKFDUJWF$
͜͜Ͱࠓ·ͰಘͨࣝͷதͰ<>͚ͭͣʹॲཧΛॻ͍͍͖ͯ
͞ΒʹͦΕΛͭͳ͍Ͱ͍͖·͢ɻ
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ΕͨਓޙͰεϥΠυݟͯ͠Ͷ
@interface CustomClass : NSObject
@property (nonatomic, copy) CustomClass* (^method)();
@property (nonatomic, copy) CustomClass* (^chain)();
@end
ฦΓ͖ͭCMPDLTͷϓϩύςΟΛએݴ͢Δ
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͍ํ
- (void)someMethod {
self.chain();
}
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͍ํ
- (void)someMethod {
self.method();
}
ॲཧΛ໊લ
Ͱݺͼग़ͤΔ
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ϝιουνΣΠϯ
self.method().chain().chain().chain().chain().chain().chain(
).chain().chain().chain().chain().chain().chain().chain().ch
ain().chain().chain().chain().chain().chain().chain().chain(
).chain().chain().chain().chain().chain().chain().chain().ch
ain().chain().chain().chain().chain();
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͚ͭ͗ͯ͢
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͔͍͍ͬ͜
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࣍ߦ͖·͠ΐ͏
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The strongest Objective-C I thought
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ͷ͔Μ͕͑ͨ࠷ڧͷObjective-C
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#define let __auto_type const
#define var __auto_type
#define dump(count) NSLog(@“count: %ld”, count)
#define print() NSLog(@"ίίϮτΦολϤʔ")
NSArray* Array() {
return @[];
}
- (instancetype)init
{
self = [super init];
if (self) {
self.method = ^{
print();
};
}
return self;
}
- (void)someMethod {
let array = Array();
var array2 = Array();
array2 = @[@"hoge", @"fuga"];
// array = @[@"hoge", @"fuga"]; ίϯύΠϧΤϥʔ
self.method();
dump(array.count);
dump(array2.count);
}
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#define let __auto_type const
#define var __auto_type
#define dump(count) NSLog(@“count: %ld”, count)
#define print() NSLog(@"ίίϮτΦολϤʔ")
NSArray* Array() {
return @[];
}
- (instancetype)init
{
self = [super init];
if (self) {
self.method = ^{
print();
};
}
return self;
}
- (void)someMethod {
let array = Array();
var array2 = Array();
array2 = @[@"hoge", @"fuga"];
// array = @[@"hoge", @"fuga"]; ίϯύΠϧΤϥʔ
self.method();
dump(array.count);
dump(array2.count);
}
ͷ͔Μ͕͑ͨ࠷ڧͷ0CKFDUJWF$
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#define let __auto_type const
#define var __auto_type
#define dump(count) NSLog(@“count: %ld”, count)
#define print() NSLog(@"ίίϮτΦολϤʔ")
NSArray* Array() {
return @[];
}
- (instancetype)init
{
self = [super init];
if (self) {
self.method = ^{
print();
};
}
return self;
}
- (void)someMethod {
let array = Array();
var array2 = Array();
array2 = @[@"hoge", @"fuga"];
// array = @[@"hoge", @"fuga"]; ίϯύΠϧΤϥʔ
self.method();
dump(array.count);
dump(array2.count);
}
࣮ߦ݁Ռ
ίίϮτΦολϤʔ
count: 0
count: 2
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#define let __auto_type const
#define var __auto_type
#define dump(count) NSLog(@“count: %ld”, count)
#define print() NSLog(@"ίίϮτΦολϤʔ")
NSArray* Array() {
return @[];
}
- (instancetype)init
{
self = [super init];
if (self) {
self.method = ^{
print();
};
}
return self;
}
- (void)someMethod {
let array = Array();
var array2 = Array();
array2 = @[@"hoge", @"fuga"];
// array = @[@"hoge", @"fuga"]; ίϯύΠϧΤϥʔ
self.method();
dump(array.count);
dump(array2.count);
}
ܕਪ͕Ͱ͖Δʂ
MFUͰఆΛ؆୯ʹએݴʂ
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#define let __auto_type const
#define var __auto_type
#define dump(count) NSLog(@“count: %ld", count)
#define print() NSLog(@"ίίϮτΦολϤʔ")
NSArray* Array() {
return @[];
}
- (instancetype)init
{
self = [super init];
if (self) {
self.method = ^{
print();
};
}
return self;
}
- (void)someMethod {
let array = Array();
var array2 = Array();
array2 = @[@"hoge", @"fuga"];
// array = @[@"hoge", @"fuga"]; ίϯύΠϧΤϥʔ
self.method();
dump(array.count);
dump(array2.count);
}
ͬͱ؆୯ʹϩάΛు͘Α͏ʹʂ
ϚΫϩذॲཧ͔͚ΔͷͰ
ඞཁ͕͋Ε֦ு
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#define let __auto_type const
#define var __auto_type
#define dump(count) NSLog(@“count: %ld”, count)
#define print() NSLog(@"ίίϮτΦολϤʔ")
NSArray* Array() {
return @[];
}
- (instancetype)init
{
self = [super init];
if (self) {
self.method = ^{
print();
};
}
return self;
}
- (void)someMethod {
let array = Array();
var array2 = Array();
array2 = @[@"hoge", @"fuga"];
// array = @[@"hoge", @"fuga"]; ίϯύΠϧΤϥʔ
self.method();
dump(array.count);
dump(array2.count);
}
$ݴޠͷTZOUBYΛͬͯ
ؾܰʹJOJUJBMJ[FSΛ͑ΔΑ͏ʹʂ
ͦͯ͠ɺ/4ϓϨϑΟοΫεͱΔʂ
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ૉఢͰ͠ΐʁ
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Ͳ͔͜ͰΈͨ͜ͱ͋Δʁ
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No content
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ൃදͷ·ͱΊ
ͷ͔Μ͕͑ͨ࠷ڧͷ0CKFDUJWF$ͱͯૉΒ͍͠ͷ͕ग़དྷ্͕Γ·
ͨ͠ɻ
͔͠͠ɺνʔϜͰͷ։ൃͩͱΓࠞཚΛট͘Մೳੑ͕େ͖͍ͷͰ༻
Ί·͠ΐ͏ɻ
ͪͳΈʹʮͷ͔Μ͕͑ͨ࠷ڧͷ0CKFDUJWF$ʯʹࣅͨ4XJGUͱ͍͏ݴޠͰ
࡞ͬͨϥΠϒϥϦΛ͍͔ͭ͘ެ։͍ͯ͠ΔͷͰɺΈͳ͞Μ
શͯͷϦϙδτϦʹελʔ͍ͩ͘͞
IUUQTHJUIVCDPNCBOO[BJ
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͓͠·͍a ?P?