Message in Chinese (Simplified) (中文(简体))
对类型“<var>Type Name</var>”的调用“<var>X</var>”返回 Nothing。
Unlocalized message
Invocation of '<var>X</var>' on type '<var>Type Name</var>' returned Nothing.
Search by Google对类型“<var>Type Name</var>”的调用“<var>X</var>”返回 Nothing。
Invocation of '<var>X</var>' on type '<var>Type Name</var>' returned Nothing.
Search by Google