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Bevy IntoSystem refusing to accept a system with a generic SystemParam
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| use bevy::{ | |
| prelude::*, | |
| ecs::system::SystemParam, | |
| }; | |
| fn main() { | |
| let mut app = App::new(); | |
| // Works | |
| app.add_systems(Update, system_without_generic); | |
| // Works | |
| app.add_systems(Update, system_with_generic::<CustomComponent>); | |
| // Fails: Need to use bevy::ecs::system::StaticSystemParam instead | |
| app.add_systems(Update, system_with_generic_param::<CustomParam>); | |
| } | |
| #[derive(SystemParam)] | |
| struct CustomParam<'w, 's> { | |
| commands: Commands<'w ,'s> | |
| } | |
| fn system_without_generic( | |
| _: CustomParam, | |
| ) { | |
| } | |
| #[derive(Component)] | |
| struct CustomComponent; | |
| fn system_with_generic<C: Component>( | |
| _: Query<&'static C>, | |
| ) { | |
| } | |
| fn system_with_generic_param<P: SystemParam>( | |
| _: P, | |
| ) { | |
| } |
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