Macro bevy::utils::label::define_label
macro_rules! define_label { ( $(#[$label_attr:meta])* $label_name:ident, $(#[$id_attr:meta])* $id_name:ident $(,)? ) => { ... }; }
Expand description
Macro to define a new label trait
Example
define_label!(
/// A class of labels.
MyNewLabelTrait,
/// Identifies a value that implements `MyNewLabelTrait`.
MyNewLabelId,
);