Added move_sprite example

Cargo.toml

@@ -103,6 +103,10 @@ path = "examples/2d/contributors.rs"
 name = "mesh"
 path = "examples/2d/mesh.rs"
 
+[[example]]
+name = "move_sprite"
+path = "examples/2d/move_sprite.rs"
+
 [[example]]
 name = "many_sprites"
 path = "examples/2d/many_sprites.rs"
@@ -299,6 +303,13 @@ name = "system_chaining"
 path = "examples/ecs/system_chaining.rs"
 
 [[example]]
+<<<<<<< refs/remotes/bevyengine/trying
+name = "system_graph"
+path = "examples/ecs/system_graph.rs"
+
+[[example]]
+=======
+>>>>>>> fixed line endings
 name = "system_param"
 path = "examples/ecs/system_param.rs"
 

crates/bevy_app/src/app_builder.rs

@@ -184,7 +184,7 @@ impl AppBuilder {
         self.add_system_to_stage(CoreStage::Update, system)
     }
 
-    pub fn add_system_set(&mut self, system_set: SystemSet) -> &mut Self {
+    pub fn add_system_set(&mut self, system_set: impl Into<SystemSet>) -> &mut Self {
         self.add_system_set_to_stage(CoreStage::Update, system_set)
     }
 
@@ -200,7 +200,7 @@ impl AppBuilder {
     pub fn add_system_set_to_stage(
         &mut self,
         stage_label: impl StageLabel,
-        system_set: SystemSet,
+        system_set: impl Into<SystemSet>,
     ) -> &mut Self {
         self.app
             .schedule
@@ -235,7 +235,7 @@ impl AppBuilder {
         self.add_startup_system_to_stage(StartupStage::Startup, system)
     }
 
-    pub fn add_startup_system_set(&mut self, system_set: SystemSet) -> &mut Self {
+    pub fn add_startup_system_set(&mut self, system_set: impl Into<SystemSet>) -> &mut Self {
         self.add_startup_system_set_to_stage(StartupStage::Startup, system_set)
     }
 
@@ -255,7 +255,7 @@ impl AppBuilder {
     pub fn add_startup_system_set_to_stage(
         &mut self,
         stage_label: impl StageLabel,
-        system_set: SystemSet,
+        system_set: impl Into<SystemSet>,
     ) -> &mut Self {
         self.app
             .schedule

crates/bevy_ecs/macros/src/lib.rs

@@ -45,9 +45,9 @@ impl Parse for AllTuples {
 #[proc_macro]
 pub fn all_tuples(input: TokenStream) -> TokenStream {
     let input = parse_macro_input!(input as AllTuples);
-    let len = (input.start..=input.end).count();
+    let len = (0..=input.end).count();
     let mut ident_tuples = Vec::with_capacity(len);
-    for i in input.start..=input.end {
+    for i in 0..=input.end {
         let idents = input
             .idents
             .iter()

crates/bevy_ecs/src/lib.rs

@@ -26,7 +26,8 @@ pub mod prelude {
         schedule::{
             AmbiguitySetLabel, ExclusiveSystemDescriptorCoercion, ParallelSystemDescriptorCoercion,
             RunCriteria, RunCriteriaDescriptorCoercion, RunCriteriaLabel, RunCriteriaPiping,
-            Schedule, Stage, StageLabel, State, SystemLabel, SystemSet, SystemStage,
+            Schedule, Stage, StageLabel, State, SystemGraph, SystemGroup, SystemJoin, SystemLabel,
+            SystemSet, SystemStage,
         },
         system::{
             Commands, In, IntoChainSystem, IntoExclusiveSystem, IntoSystem, Local, NonSend,

crates/bevy_ecs/src/schedule/mod.rs

@@ -7,6 +7,7 @@ mod stage;
 mod state;
 mod system_container;
 mod system_descriptor;
+mod system_graph;
 mod system_set;
 
 pub use executor::*;
@@ -18,6 +19,7 @@ pub use stage::*;
 pub use state::*;
 pub use system_container::*;
 pub use system_descriptor::*;
+pub use system_graph::*;
 pub use system_set::*;
 
 use std::fmt::Debug;
@@ -166,7 +168,7 @@ impl Schedule {
     pub fn add_system_set_to_stage(
         &mut self,
         stage_label: impl StageLabel,
-        system_set: SystemSet,
+        system_set: impl Into<SystemSet>,
     ) -> &mut Self {
         self.stage(stage_label, |stage: &mut SystemStage| {
             stage.add_system_set(system_set)

crates/bevy_ecs/src/schedule/stage.rs

@@ -232,12 +232,13 @@ impl SystemStage {
         &self.exclusive_before_commands
     }
 
-    pub fn with_system_set(mut self, system_set: SystemSet) -> Self {
+    pub fn with_system_set(mut self, system_set: impl Into<SystemSet>) -> Self {
         self.add_system_set(system_set);
         self
     }
 
-    pub fn add_system_set(&mut self, system_set: SystemSet) -> &mut Self {
+    pub fn add_system_set(&mut self, system_set: impl Into<SystemSet>) -> &mut Self {
+        let system_set = system_set.into();
         self.systems_modified = true;
         let (run_criteria, mut systems) = system_set.bake();
         let set_run_criteria_index = run_criteria.and_then(|criteria| {