Struct CapabilityDeclaration 

pub struct CapabilityDeclaration {
    pub id: NodeId,
    pub parent: Option<NodeId>,
    pub kind: String,
    pub provides: Vec<String>,
}

One registration declaration that may provide capabilities to its subtree. 一条可能向子树提供能力的注册声明。

Fields

id: NodeId

Identity of the declaring face. 作出声明的注册面身份。

parent: Option<NodeId>

Face this declaration registers under; None for a root declaration. 该声明所挂载的父面；根声明为 None。

kind: String

Registration kind a requirement’s expected provider must match. 需求所期望的提供者必须匹配的注册类型。

provides: Vec<String>

Capability names this declaration offers to its subtree. 该声明向其子树提供的能力名称。

Trait Implementations

impl Clone for CapabilityDeclaration

fn clone(&self) -> CapabilityDeclaration

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for CapabilityDeclaration

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.