Add internal_ambiguities dev example

Author: alice-i-cecile

Cargo.toml

@@ -524,6 +524,10 @@ path = "examples/shader/compute_shader_game_of_life.rs"
 name = "bevymark"
 path = "examples/tools/bevymark.rs"
 
+[[example]]
+name = "internal_ambiguities"
+path = "examples/tools/internal_ambiguities.rs"
+
 [[example]]
 name = "scene_viewer"
 path = "examples/tools/scene_viewer.rs"

examples/README.md

@@ -67,6 +67,7 @@ git checkout v0.4.0
   - [WASM](#wasm)
     - [Setup](#setup-2)
     - [Build & Run](#build--run-2)
+    - [Loading Assets](#loading-assets)
 - [Stress Tests](#stress-tests)
 
 # The Bare Minimum
@@ -258,6 +259,7 @@ Example | File | Description
 Example | File | Description
 --- | --- | ---
 `bevymark` | [`tools/bevymark.rs`](./tools/bevymark.rs) | A heavy sprite rendering workload to benchmark your system with Bevy
+`internal_ambiguities` | [`tools/internal_ambiguities.rs`](./tools/internal_ambiguities.rs) | Detect and report any Bevy-internal system order ambiguities
 `scene_viewer` | [`tools/scene_viewer.rs`](./tools/scene_viewer.rs) | A simple way to view glTF models with Bevy. Just run `cargo run --release --example scene_viewer -- /path/to/model.gltf#Scene0`, replacing the path as appropriate. With no arguments it will load the FieldHelmet glTF model from the repository assets subdirectory.
 
 ## Transforms

examples/tools/internal_ambiguities.rs

@@ -0,0 +1,11 @@
+//! Reports any Bevy-internal system-order ambiguities
+//! This is primarily useful for engine development
+
+use bevy::prelude::*;
+
+fn main() {
+    App::new()
+        .add_plugins(DefaultPlugins)
+        .insert_resource(ReportExecutionOrderAmbiguities::ReportInternal)
+        .run()
+}