Difference between block (Objective-C) and closure (Swift) in iOS

Question

In tutorials it\'s written that functionally both are same even closure is more easier then block and its avoided the complexity of block and memory management, I\'ve gone t

Answer 1

To show an actual code example of the differences:

This does compile:

let x : @convention(swift) (inout Int) -> ()

This does not:

let y : @convention(block) (inout Int) -> ()

with the error (inout Int) -> () is not representable in Objective-C