unify exclusive system params with normal system params

Author: ItsDoot

crates/bevy_ecs/macros/src/lib.rs

@@ -403,6 +403,10 @@ pub fn impl_param_set(_input: TokenStream) -> TokenStream {
                         change_tick,
                     }
                 }
+
+                fn is_exclusive() -> bool {
+                    false #(|| <#param as SystemParam>::is_exclusive())*
+                }
             }
 
             impl<'w, 's, #(#param: SystemParam,)*> ParamSet<'w, 's, (#(#param,)*)>

crates/bevy_ecs/src/schedule/set.rs

@@ -11,10 +11,7 @@ pub use bevy_ecs_macros::{ScheduleLabel, SystemSet};
 use crate::{
     define_label,
     intern::Interned,
-    system::{
-        ExclusiveFunctionSystem, ExclusiveSystemParamFunction, FunctionSystem,
-        IsExclusiveFunctionSystem, IsFunctionSystem, SystemParamFunction,
-    },
+    system::{FunctionSystem, IsFunctionSystem, SystemParamFunction},
 };
 
 define_label!(
@@ -187,20 +184,6 @@ where
     }
 }
 
-// exclusive systems
-impl<Marker, F> IntoSystemSet<(IsExclusiveFunctionSystem, Marker)> for F
-where
-    Marker: 'static,
-    F: ExclusiveSystemParamFunction<Marker>,
-{
-    type Set = SystemTypeSet<ExclusiveFunctionSystem<Marker, F>>;
-
-    #[inline]
-    fn into_system_set(self) -> Self::Set {
-        SystemTypeSet::<ExclusiveFunctionSystem<Marker, F>>::new()
-    }
-}
-
 #[cfg(test)]
 mod tests {
     use crate::{