1 #![allow(dead_code)] 2 use super::Attribute; 3 4 #[derive(Debug)] 5 pub struct SysKernFilePriv { 6 attribute: Option<&'static dyn Attribute>, 7 // todo: 增加bin attribute,它和attribute二选一，只能有一个为Some 8 } 9 10 impl SysKernFilePriv { 11 pub fn new(attribute: Option<&'static dyn Attribute>) -> Self { 12 if attribute.is_none() { 13 panic!("attribute can't be None"); 14 } 15 return Self { attribute }; 16 } 17 18 pub fn attribute(&self) -> Option<&'static dyn Attribute> { 19 self.attribute 20 } 21 } 22