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https://developer.apple.com/swift/blog/?id=39 Increasing Performance by Reducing Dynamic Dispatch Like many other languages, Swift allows a class to o 阅读全文
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http://blog.csdn.net/xingkong_678/article/details/38639847 关于两者以前的关系,要从N年以前说起了~ long long ago,once aupon a time ....... 那是一个被 遗忘的年代,在编译器只认识.c(.cpp))文件 阅读全文
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The only way to circumvent dynamic binding is to get the address of a method and call it directly as if it were a function. This might be appropriate 阅读全文
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字面量: 字符串:单引号或双引号扩起来; %@:系统自动添加,数字则自动去除@(); 无单双引号,系统做数字处理。 Single or double quoting variables (or substitution variable strings) cause %@, %K, or $vari 阅读全文