Update 12.第十二题.md

liberalisman · Jul 18, 2018 · 36483b5 · 36483b5
1 parent 5a09714
commit 36483b5
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diff --git a/Runtime/12.第十二题.md b/Runtime/12.第十二题.md
@@ -10,8 +10,11 @@
 // 一个 NSObject 实例对象成员变量所占的大小，实际上是 8KB
 #import <Objc/Runtime>
 Class_getInstanceSize([NSObject Class])
+```
 
 //本质是
+
+```objc
 size_t class_getInstanceSize(Class cls)
 {
     if (!cls) return 0;