1)多线程相关
dispatch_after
dispatch_async
dispatch_sync
dispatch_get_main_queue
dispatch_get_global_queue
dispatch_time
2)__bridge,涉及到CF与OC的转换
objc_getAssociatedObject
objc_setAssociatedObject
3)
objc_allocateClassPair
objc_registerClassPair
4)
class_copyMethodList
5)Method相关
objc_method_description以及这个对象的name和type属性
desc->name
desc->type
method_getDescription
6)反射
NSStringFromClass
NSStringFromSelector
NSSelectorFromString
7)class_addMethod
8)
NSInvocation
selector和methodSignature属性
NSMethodSignature
NumberOfArgument属性
MethodReturnType方法
GetArgumentTypeAtIndex方法
9)object_getClass
10)MethodSignature的两个方法
methodSignatureForSelector
instanceMethodSignatureForSelector
11)NSInvocation
invocationWithMethodSignature静态方法
invoke方法
各种set方法
12)meta class:
class_isMetaClass
objc_getMetaClass
13)@encode
14)C的strcmp比较函数
15)CGRect、CGPoint、CGSize、NSRange
16)
class_getClassMethod
class_getInstanceMethod
method_getTypeEncoding
17)IMP
class_responseToSelector
class_getMethodImplementation
class_replaceMethod
18)method_get Implementation
19)__unsafe_unretained
20)@()