苹果 iOS Blocks 编程指南(blocks语法学习教程-有详细代码指导说明).pdf

Blocks Apple Inc. xyl.layne@ CocoaChina Blocks Programming Topics 1 1 BLOCKS 2 1.1 BLOCK 2 1.2 BLOCK 3 1.3 COCOA BLOCKS 3 1.4 __BLOCK 4 7 2.1 BLOCK 7 2.2 7 BLOCKS 8 3.1 BLOCK 8 3.2 BLOCK 8 3.3 BLOCKS 9 BLOCKS 10 4.1 10 4.2 __BLOCK 11 4.3 (OBJECT)BLOCK 13 4.3.1 Objective-C 13 4.3.2 C++ 13 4.3.3 Blocks 14 BLOCKS 15 5.1 BLOCK 15 5.2 BLOCK 15 5.3 BLOCK 16 5.4 BLOCKS 18 5.5 18 5.6 19 20 21 Blocks Programming Topics Block block blocks Blocks block Blocks GCC Clang Xcode blocks Blocks Blocks Objective-C C++blocks Objective-C++ block C,C++Objective-C Blocks Programming Topics Blocks Blocks 1.1 Block block block Block block int multiplier = 7; int (^myBlock)(int) = ^(int num) { return num * multiplier; };