auto property synthesis will not synthesize property 'description' because it is 'readwrite' but it will be synthesized 'readonly' via another property [-Wobjc-property-synthesis]
属性的名字与系统自带的属性名字冲突了。
auto property synthesis will not synthesize property 'description' because it is 'readwrite' but it will be synthesized 'readonly' via another property [-Wobjc-property-synthesis]
属性的名字与系统自带的属性名字冲突了。