Block样式--OC
作者:
ilmari | 来源:发表于
2017-06-30 14:44 被阅读8次//作为一个本地变量:
returnType (^blockName)(parameterTypes) = ^returnType(parameters) {...};
//作为一个属性:
@property (nonatomic, copy, nullability) returnType (^blockName)(parameterTypes);
//作为方法参数:
- (void)someMethodThatTakesABlock:(returnType (^nullability)(parameterTypes))blockName;
//作为方法调用的参数:
[someObject someMethodThatTakesABlock:^returnType (parameters) {...}];
//作为一个typedef:
typedef returnType (^TypeName)(parameterTypes);
TypeName blockName = ^returnType(parameters) {...};
本文标题:Block样式--OC
本文链接:https://www.haomeiwen.com/subject/htticxtx.html
网友评论