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swiftでblocksのproperty宣言

Posted at 2014-06-05

Objective-C

@interface Hoge

@property (nonatomic, copy) void(^onClick)(NSString *);

@end

Hoge *hoge = [[Hoge alloc] init];
hoge.onClick = ^(NSString *text) {
    NSLogt(@"%@", text);
};

Swift

class Hoge {
    var onClick: ((String) -> Void)?
}

func f(text: String) {
    println(text)
}

var hoge = Hoge()
hoge.onClick = f