bevy/crates/bevy_ecs/macros
SpecificProtagonist 5f1e114209
Descriptive error message for circular required components recursion (#16648)
# Objective

Fixes #16645

## Solution

Keep track of components in callstack when registering required
components.

## Testing

Added a test checking that the error fires.

---

## Showcase

```rust
#[derive(Component, Default)]
#[require(B)]
struct A;

#[derive(Component, Default)]
#[require(A)]
struct B;
World::new().spawn(A);
```

```
thread 'main' panicked at /home/vj/workspace/rust/bevy/crates/bevy_ecs/src/component.rs:415:13:
Recursive required components detected: A → B → A
```

---------

Co-authored-by: Chris Russell <8494645+chescock@users.noreply.github.com>
2024-12-11 01:26:35 +00:00
..
src Descriptive error message for circular required components recursion (#16648) 2024-12-11 01:26:35 +00:00
Cargo.toml Generate links to definition in source code pages on docs.rs and dev-docs.bevyengine.org (#12965) 2024-07-29 23:10:16 +00:00