Struct RegistrationRule

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pub struct RegistrationRule {
    pub required_preset: Option<&'static str>,
    pub required_parts: &'static [&'static str],
    pub required_exports: &'static [&'static str],
    pub required_handle_traits: &'static [&'static str],
    pub required_part_traits: &'static [&'static str],
}

Expand description

Structural rule for faces entering a Registry. 注册面进入 Registry 时必须满足的结构规范。

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§required_preset: Option<&'static str>

Preset name every admitted face must declare; None leaves it unconstrained. 每个被接纳的注册面都必须声明的 preset 名；None 表示不作要求。

§required_parts: &'static [&'static str]

Part names every admitted face must provide. 每个被接纳的注册面都必须提供的 part 名称。

§required_exports: &'static [&'static str]

Export names every admitted face must declare. 每个被接纳的注册面都必须声明的导出名称。

§required_handle_traits: &'static [&'static str]

Interfaces the handle type must implement, for example ControlHandle. handle 类型必须实现的接口，例如 ControlHandle。

§required_part_traits: &'static [&'static str]

Interfaces the parts type must implement, for example ActionParts. parts 类型必须实现的接口，例如 ActionParts。

Implementations§

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impl RegistrationRule

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pub const ANY: RegistrationRule

Rule with no structural requirements; it admits any face. 不含任何结构要求的规则，接纳任意注册面。

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pub const fn new() -> RegistrationRule

Start an unconstrained structural rule. 创建一个尚未添加结构要求的规则。

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pub const fn require_preset(self, preset: &'static str) -> RegistrationRule

Set the required preset name and return the updated rule. 设置所需 preset 名并返回更新后的规则。

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pub const fn require_parts( self, parts: &'static [&'static str], ) -> RegistrationRule

Set the required part names and return the updated rule. 设置所需 part 名称并返回更新后的规则。

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pub const fn require_exports( self, exports: &'static [&'static str], ) -> RegistrationRule

Set the required export names and return the updated rule. 设置所需导出名称并返回更新后的规则。

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pub const fn require_handle_traits( self, traits: &'static [&'static str], ) -> RegistrationRule

Set the required handle trait names and return the updated rule. 设置所需 handle trait 名称并返回更新后的规则。

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pub const fn require_part_traits( self, traits: &'static [&'static str], ) -> RegistrationRule

Set the required parts trait names and return the updated rule. 设置所需 parts trait 名称并返回更新后的规则。

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pub fn validate(&self, info: &RegistrationInfo) -> Vec<String>

Return one message per unmet structural requirement for info; an empty result means the declaration may enter the registry. 针对 info 的每项未满足结构要求各返回一条消息；结果为空表示该声明可进入注册机。

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