Oc的异常触发

// Replaced by CF (throws an NSException)
+ (void)doesNotRecognizeSelector:(SEL)sel {
    _objc_fatal("+[%s %s]: unrecognized selector sent to instance %p", 
                class_getName(self), sel_getName(sel), self);
}

// Replaced by CF (throws an NSException)
- (void)doesNotRecognizeSelector:(SEL)sel {
    _objc_fatal("-[%s %s]: unrecognized selector sent to instance %p", 
                object_getClassName(self), sel_getName(sel), self);
}

标签：触发,instance,self,Oc,doesNotRecognizeSelector,objc,sel,异常,getName
来源： https://www.cnblogs.com/feng9exe/p/15477940.html