unapprehended about block in code
unapprehended about block in code
- Subject: unapprehended about block in code
- From: User Mac <email@hidden>
- Date: Fri, 08 Aug 2014 15:45:41 +0800
- (void)dismissAnimated:(BOOL)animated completion:(void(^)(BOOL finished))completion
{
void(^completionBlock)(BOOL) = ^(BOOL finished){
[self somefunction];
if(completion)
{
completion(finished);
}
};
…………
………...
}
I want to know what type of “completion",is it boolean or block? Why use “if” to judge “completion"? And what is the result of code”completion(finished)”.
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