Trait cyfs_base::AreaObjectDesc

source · [−]

pub trait AreaObjectDesc {
    fn area(&self) -> &Option<Area>;
}

Expand description

有区域对象

Required Methods

fn area(&self) -> &Option<Area>

Implementations on Foreign Types

impl AreaObjectDesc for Option<Area>

fn area(&self) -> &Option<Area>

Implementors

impl AreaObjectDesc for SubDescNone

impl<T> AreaObjectDesc for NamedObjectDesc<T> where
T: DescContent,
T::AreaType: AreaObjectDesc,

NamedObjectDesc 的 AreaObjectDesc 自动实现

如果 T::AreaType 实现了 AreaObjectDesc 则自动为 NamedObjectDesc 实现 AreaObjectDesc