Hi.
I'm working against an API which looks like this:
- (void)performOperationWithBlock:(void (^)(void))block
The call returns directly and the execution continues. At some point
the block is eventually called. How would I do to block execution
until the block have been called?
[obj performOperationWithBlock:^(void) {
// Do something here
}];
// Block here until the block above have been called.
I have read the Blocks Programming Topics in the documentation but
have not found that they cover this scenario.
Brian
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