标签：NO int t2 t4 IOS boolean NSAssert Boolean
boolean 是int型
Boolean mac os上有历史意义的类型
BOOL 是unsigned char型，BOOL b 当b=1 b=YES //IOS Style
是int型，bool b 当b>1 b=YES //c /C++style
boolean_t t1 = 1;//int type
Boolean t2 = 1; //unsigned char type
BOOL t3 = 4;//YES or NO
bool t4 = 1;//true or false NSAssert(t1, @"boolean_t t1 is NO");//通过测试
NSAssert(t2, @"boolean_t t2 is NO");//通过测试
NSAssert(t3, @"boolean_t t3 is NO");//通过测试
NSAssert(t4, @"boolean_t t4 is NO");//通过测试
标签：NO,
int,
t2,
t4,
IOS,
boolean,
NSAssert,
Boolean
From： https://blog.51cto.com/u_548275/6159963