yew_stdweb/html/component/
properties.rs

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//! Component properties module

pub use yew_macro::Properties;

/// Trait for building properties for a component
pub trait Properties: Clone {
    /// Builder that will be used to construct properties
    type Builder;

    /// Entrypoint for building properties
    fn builder() -> Self::Builder;
}

/// Builder for when a component has no properties
#[derive(Debug)]
#[doc(hidden)]
pub struct EmptyBuilder;

impl Properties for () {
    type Builder = EmptyBuilder;

    fn builder() -> Self::Builder {
        EmptyBuilder
    }
}

impl EmptyBuilder {
    /// Build empty properties
    pub fn build(self) {}
}