1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
use crate::z_ignore_test_common::*;
use flecs_ecs::prelude::*;
#[derive(Debug, Component)]
#[flecs(meta)]
pub struct Position {
pub x: f32,
pub y: f32,
}
fn main() {
let mut world = World::new();
/* 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));
*/
// Create a new entity
let e = world.entity().set(Position { x: 2.0, y: 4.0 });
// Convert position component to flecs expression string
e.get::<&Position>(|p| {
let expr: String = world.to_expr(p);
println!("Position: {expr}");
});
// Output:
// Position: {x: 2, y: 4}
}
#[cfg(feature = "flecs_nightly_tests")]
#[test]
fn test() {
let output_capture = OutputCapture::capture().unwrap();
main();
output_capture.test("reflection_basics".to_string());
}