when meta attribute is specified, automatically call .meta()

All example, test, and documentation code now registers components using world.component::<T>() without chaining .meta(). The derive macro is updated to automatically invoke .meta() when required, simplifying user code and reducing boilerplate.

Author: Indra-db

flecs_ecs/examples/flecs/reflection/entity_type.rs

@@ -11,10 +11,6 @@ pub struct TypeWithEntity {
 fn main() {
     let mut world = World::new();
 
-    // Using Entity directly would resolve to a u64 datatype, so
-    // use flecs::meta::Entity instead.
-    world.component::<TypeWithEntity>().meta();
-
     /* Alternatively, you can do it manually like so (without the derive macro)
     .member(Entity::id(),"e", 1, core::mem::offset_of!(TypeWithEntity, e));
     */

flecs_ecs/examples/flecs/reflection/reflection_basics.rs

@@ -12,10 +12,8 @@ pub struct Position {
 fn main() {
     let mut world = World::new();
 
-    // Register the Position component
-    world.component::<Position>().meta();
-
-    /* Alternatively, you can do it manually like so (without the derive macro)
+    /* Alternatively without the meta attribute,
+    you can do it manually like so (without the derive macro)
         .member(f32::id(),"x", 1 /* count */, core::mem::offset_of!(Position, x))
         .member(f32::id(),"y", 1, core::mem::offset_of!(Position, y));
     */

flecs_ecs/examples/flecs/reflection/reflection_basics_deserialize.rs

@@ -12,10 +12,8 @@ pub struct Position {
 fn main() {
     let world = World::new();
 
-    // Register the Position component with reflection data
-    world.component::<Position>().meta();
-
-    /* Alternatively, you can do it manually like so (without the derive macro)
+    /* Alternatively when not using meta attribute,
+    you can do it manually like so (without the derive macro)
     .member(f32,"x", 1 /* count */, core::mem::offset_of!(Position, x))
     .member(f32,"y", 1, core::mem::offset_of!(Position, y));
     */

flecs_ecs/examples/flecs/reflection/reflection_basics_json.rs

@@ -12,10 +12,8 @@ pub struct Position {
 fn main() {
     let mut world = World::new();
 
-    // Register the Position component with reflection data
-    world.component::<Position>().meta();
-
-    /* Alternatively, you can do it manually like so (without the derive macro)
+    /* Alternatively without the meta attribute,
+    you can do it manually like so (without the derive macro)
     .member(f32::id(),"x", 1 /* count */, core::mem::offset_of!(Position, x))
     .member(f32::id(),"y", 1, core::mem::offset_of!(Position, y));
     */

flecs_ecs/examples/flecs/reflection/reflection_basics_simple_enum.rs

@@ -20,18 +20,15 @@ pub struct TypeWithEnum {
 fn main() {
     let mut world = World::new();
 
-    // Register the Color component
-    world.component::<Color>().meta();
-    /* Alternatively, you can do it manually like so (without the derive macro)
+    /* Alternatively without the meta attribute,
+    you can do it manually like so (without the derive macro)
     .constant("Red", Color::Red as i32)
     .constant("Green", Color::Green as i32)
     .constant("Blue", Color::Blue as i32);
     */
 
-    // Register the TypeWithEnum component
-    world.component::<TypeWithEnum>().meta();
-
-    /* Alternatively, you can do it manually like so (without the derive macro)
+    /* Alternatively without the meta attribute,
+    you can do it manually like so (without the derive macro)
     .member(Color::id(),"color", 1, core::mem::offset_of!(TypeWithEnum, color));
      */
 

flecs_ecs/examples/flecs/reflection/reflection_nested_set_member.rs

@@ -19,10 +19,6 @@ pub struct Line {
 fn main() {
     let world = World::new();
 
-    world.component::<Point>().meta();
-
-    world.component::<Line>().meta();
-
     // Create entity, set value of Line using reflection API
     let e = world.entity().add(Line::id());
 

flecs_ecs/examples/flecs/reflection/reflection_nested_struct.rs

@@ -19,9 +19,6 @@ pub struct Line {
 fn main() {
     let world = World::new();
 
-    world.component::<Point>().meta();
-    world.component::<Line>().meta();
-
     // Create entity, set Line component
     let e = world.entity().set(Line {
         start: Point { x: 10.0, y: 20.0 },

flecs_ecs/examples/flecs/reflection/reflection_query_to_custom_json.rs

@@ -29,13 +29,6 @@ pub struct Mass {
 fn main() {
     let world = World::new();
 
-    // Register components with reflection data
-    world.component::<Position>().meta();
-
-    world.component::<Velocity>().meta();
-
-    world.component::<Mass>().meta();
-
     world
         .entity_named("a")
         .set(Position { x: 10.0, y: 20.0 })

flecs_ecs/examples/flecs/reflection/reflection_query_to_json.rs

@@ -25,13 +25,6 @@ pub struct Mass {
 fn main() {
     let world = World::new();
 
-    // Register components with reflection data
-    world.component::<Position>().meta();
-
-    world.component::<Velocity>().meta();
-
-    world.component::<Mass>().meta();
-
     world
         .entity_named("a")
         .set(Position { x: 10.0, y: 20.0 })

flecs_ecs/examples/flecs/reflection/reflection_ser_std_string.rs

@@ -18,9 +18,6 @@ struct StringComponent {
 fn main() {
     let world = World::new();
 
-    // Register component with std::string members
-    world.component::<StringComponent>().meta();
-
     // Create value & serialize it
     let mut v = StringComponent {
         a: "foo".to_string(),