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-*/&͍ʹ͍ͭͯ
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-*/&͍
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αʔϏε։ൃϑϩʔ
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اը
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اը
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اը
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৽نίʔυવ4XJGUͰॻ͘
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(FOFSBUFE*OUFSGBDF
@interface ExampleModel : NSObject
@property (nonatomic) NSNumber *amount;
@property (nonatomic, copy) NSString *datetime;
@property (nonatomic, copy) NSString *title;
@end
public class ExampleModel : NSObject {
public var amount: NSNumber!
public var datetime: String!
public var title: String!
}
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PCKDTXJGU 044
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9$4XJGUS 9DPEF1MVHJO
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ॻ͖͑Δ·Ͱ࣌ؒऔΕͳ͍
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ॻ͖͑Δ·Ͱ࣌ؒऔΕͳ͍
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/VMMBCJMJUZ 9DPEFd
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/VMMBCJMJUZ
@property (nonnull, copy, nonatomic) NSString *name;
@property (copy, nonatomic) NSString * __nonnull name;
@property (copy, nonatomic) NSString * _Nonnull name;
@property (nullable, copy, nonatomic) NSString *name;
@property (copy, nonatomic) NSString * __nullable name;
@property (copy, nonatomic) NSString * _Nullable name;
- (void)example:(nonnull NSArray *)param;
- (void)example:(NSArray * _Nonnull)param;
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/VMMBCJMJUZ
// Objective-C
+ (NSString *)message; // ࣮ nil Λฦ͢ࣄ͕͋Δ
// Swift Ͱ func message() -> NSString!
Example.message().characters // nil ฦͬͨ࣌ʹ Crash ><
// Objective-C
+ (nullable NSString *)message; // nil ฦ͢ՄೳੑΛ໌ࣔ
// Swift Ͱ func message() -> NSString?
Example.message()?.characters // Optional Ͱ nil safe
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/VMMBCJMJUZ
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NS_ASSUME_NONNULL_BEGIN
@interface ExampleModel : NSObject
@property (copy, nonatomic) NSString *name;
@property (copy, nonatomic) NSString *country;
@property (nullable, copy, nonatomic) NSString *hobby;
@end
NS_ASSUME_NONNULL_END
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-JHIU8FJHIU(FOFSJDT
+ (NSArray *)someArray {
NSArray *var = @[@"test"];
return var;
}
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-JHIU8FJHIU(FOFSJDT
// Objective-C
+ (NSArray *)someArray {
NSArray *var = @[@"test"];
return var;
}
// Swift
Example.someArray()[0].characters
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-JHIU8FJHIU(FOFSJDT
// Objective-C
+ (NSArray *)someArray {
NSArray *var = @[@"test"];
return var;
}
// Swift
Example.someArray()[0].characters
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-JHIU8FJHIU(FOFSJDT
// Objective-C
+ (NSArray *)someArray {
UIImage *image = [UIImage imageNamed:@"example.png"];
NSArray *var = @[image];
return var;
}
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-JHIU8FJHIU(FOFSJDT
// Objective-C
+ (NSArray *)someArray {
UIImage *image = [UIImage imageNamed:@"example.png"];
NSArray *var = @[image];
return var;
}
// Swift
Example.someArray()[0].characters
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-JHIU8FJHIU(FOFSJDT
NSMutableArray *array = [@[] mutableCopy];
// MyView UIView ͷαϒΫϥε
[array addObject:[MyView new]];
MyView *myView = array[0];
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-JHIU8FJHIU(FOFSJDT
NSMutableArray<__kindof UIView *> *array = [@[] mutableCopy];
// MyView UIView ͷαϒΫϥε
[array addObject:[MyView new]];
MyView *myView = array[0];
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Swift ͱͷ૬ޓӡ༻ੑ্
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ϨΠΞτ
_textLabel.frame = (CGRect){
.origin.x = 0.,
.origin.y = CGRectGetMaxX(self.itemImageView.frame) + 3.,
.size.width = CGRectGetWidth(self.itemImageView.frame),
.size.height = _textLabel.font.lineHeight * 2. + 7.
};
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ϨΠΞτ
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_textLabel.frame = (CGRect){
.origin.x = 0.,
.origin.y = CGRectGetMaxX(self.itemImageView.frame) + 3.,
.size.width = CGRectGetWidth(self.itemImageView.frame),
.size.height = _textLabel.font.lineHeight * 2. + 7.
};
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ϨΠΞτ
@IBInspectable var borderColor: UIColor = UIColor.clearColor() {
didSet {
layer.borderColor = borderColor.CGColor
}
}
@IBInspectable var cornerRadius: CGFloat = 0 {
didSet {
layer.cornerRadius = cornerRadius
}
}
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ϨΠΞτ
@IBInspectable var borderColor: UIColor = UIColor.clearColor() {
didSet {
layer.borderColor = borderColor.CGColor
}
}
@IBInspectable var cornerRadius: CGFloat = 0 {
didSet {
layer.cornerRadius = cornerRadius
}
}
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6*7JFX$POUSPMMFS4UPSZ#PBSEԽ
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6*7JFX$POUSPMMFS4UPSZ#PBSEԽ
import UIKit
protocol StoryBoardable
extension StoryBoardable where Self: UIViewController {
static func viewControllerFromStoryboard() -> Self {
let storyboard = UIStoryboard(name: className, bundle: nil)
return storyboard.instantiateViewControllerWithIdentifier(
className
) as! Self
}
}
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ϨΠΞτ
6*7JFX$POUSPMMFS4UPSZ#PBSEԽ
// for Objective-C
extension UIViewController {
@available(*, unavailable)
@objc static func viewControllerFromStoryboard() -> UIViewController {
let storyboard = UIStoryboard(name: className, bundle: nil)
return storyboard.
instantiateViewControllerWithIdentifier(className)
}
}
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ϨΠΞτ
6*7JFX$POUSPMMFS4UPSZ#PBSEԽ
// from Swift
let vc = viewControllerFromStoryboard()
// from Objective-C
MyViewController *viewController =
(MyViewController *)[MyViewController viewControllerFromStoryboard];
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ࣾศརXFCαʔϏε
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