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add message about @objc_block

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Erik 2015-04-08 11:10:35 -04:00
parent 0c3e25ef3c
commit acdb29dca4
1 changed files with 4 additions and 0 deletions
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SwiftIO/SocketAckMap.swift
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@ -24,6 +24,10 @@
import Foundation
// @objc_block is undocumented, but is used because Swift assumes that all
// Objective-C blocks are copied, but Objective-C assumes that Swift will copy it.
// And the way things are done here, the bridging fails to copy the block in
// SocketAckMap#addAck
public typealias AckCallback = @objc_block (NSArray?) -> Void
public typealias OnAckCallback = (timeout:UInt64, callback:AckCallback) -> Void